mirror of
https://github.com/bherbruck/solidcraft.git
synced 2026-11-05 19:45:54 +00:00
A tray with seven rounded edges, both rim rounds of a tube, a chamfer on a joined L-shaped body, and a circular pattern of a chamfered hole, each with an analytic volume. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Brennen Herbruck
+23
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{
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"sources": [
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"tangency-labs/solidcraft#1008"
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],
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"what": "an R10 round on the four inside floor edges and three of the four inside vertical corners of an open tray, so one corner keeps a sharp vertical edge where two floor rounds meet (rebuilt from the report's edge picks: the original design is not in the report)",
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"source": "analytic",
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"method": "Tray 100x100x50, cavity 90x90 from z=5 up through the open top (walls and floor 5 mm): V0 = 500000 - 90*90*45 = 135500. Rounding concave edges adds material. Let P be the cavity's plan outline after the vertical rounds: the 90x90 square with three corners rounded R10 (one corner sharp), area 8100 - 3 (1-pi/4) 100 = 8035.6194. The floor round is a rolling ball of R10 along the outline, so over a point at plan distance d from the outline (d<10) the floor rises by g(d) = 10 - sqrt(100 - (10-d)^2); at the sharp corner the two rounds meet in a mitre, which is g of the distance to the nearest wall, the same rule; at a rounded corner the torus degenerates to the ball's sphere. Co-area: the integral of g(d) over P = integral over t in [0,10] of g(t) L(t) dt, with L(t) the perimeter of the outline pulled in by t, L(t) = L0 - 2 pi t for a convex outline (L0 = 360 - 3 (20 - 5 pi) = 347.1239). Integral of g = (1-pi/4) 100 = 21.4602; integral of t g = 1000 (5/6 - pi/4) = 47.9352 (first moment of the square minus quarter disc). Added by the floor rounds = 347.1239*21.4602 - 2 pi 47.9352 = 7148.1569. Cavity after = 45 * 8035.6194 - 7148.1569 = 354454.7183; V = 500000 - that = 145545.2817 mm3 (a grid sum over the plan agrees to 2e-4).",
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"outcome": "solid",
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"body_count": 1,
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"volume_mm3": 145545.2817,
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"bbox": {
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"min": [
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0,
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-100,
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0
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],
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"max": [
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100,
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0,
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50
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]
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}
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}
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+78
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{
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"commands": [
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{
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"command": "solid.box",
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"params": {
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"corner": [
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0,
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-100,
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0
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],
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"length": 100,
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"width": 100,
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"height": 50,
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"body_name": "Tray"
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}
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},
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{
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"command": "solid.box",
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"params": {
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"corner": [
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5,
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-95,
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5
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],
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"length": 90,
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"width": 90,
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"height": 46,
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"operation": "cut",
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"targets": [
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"Tray"
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]
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}
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},
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{
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"command": "solid.fillet",
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"params": {
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"edges": [
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[
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5,
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-50,
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5
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],
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[
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50,
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-95,
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5
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],
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[
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95,
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-50,
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5
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],
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[
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50,
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-5,
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5
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],
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[
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95,
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-5,
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27.5
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],
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[
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5,
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-5,
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27.5
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],
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[
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5,
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-95,
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27.5
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]
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],
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"radius": 10
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}
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}
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]
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}
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{
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"sources": [
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"tangency-labs/solidcraft#1191"
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],
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"what": "an R2 round on the outer and inner rim circles of a tube's top face (the report's ten picks on a ring-shaped top: the round failed after 0.10.1; rebuilt as a plain tube since the design is not in the report)",
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"source": "analytic",
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"method": "Tube R=18.5, r=11.5, h=33: V0 = pi (18.5^2 - 11.5^2) 33 = 21771.2371. Each rim round removes the square-minus-quarter-disc section (area A = (1-pi/4) 4 = 0.858407, first moment about the round's centre line rho^3/6 = 4/3) swept about the axis (Pappus). Outer rim (convex), section centre at radius 16.5: 2 pi (16.5 A + 4/3) = 97.3737; inner rim (convex, material outside r=11.5), centre at radius 13.5: 2 pi (13.5 A - 4/3) = 64.4333. V = 21771.2371 - 97.3737 - 64.4333 = 21609.4311 mm3. Faces: outer wall, two toroidal rounds, top ring, inner wall, bottom ring = 6.",
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"outcome": "solid",
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"body_count": 1,
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"volume_mm3": 21609.4311,
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"faces": 6,
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"bbox": {
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"min": [
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-18.5,
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-18.5,
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0
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],
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"max": [
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18.5,
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18.5,
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33
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]
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}
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}
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{
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"commands": [
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{
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"command": "sketch.create",
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"params": {
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"plane": "XY"
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}
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},
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{
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"command": "sketch.circle.center",
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"params": {
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"center": [
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0,
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0
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],
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"radius": 18.5
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}
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},
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{
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"command": "sketch.circle.center",
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"params": {
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"center": [
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0,
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0
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],
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"radius": 11.5
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}
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},
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{
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"command": "sketch.finish",
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"params": {}
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},
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{
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"command": "solid.extrude",
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"params": {
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"distance": 33,
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"body_name": "Ring",
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"profiles": [
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{
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"point": [
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15,
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0
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]
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}
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]
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}
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},
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{
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"command": "solid.fillet",
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"params": {
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"edges": [
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[
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0,
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18.5,
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33
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],
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[
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0,
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11.5,
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33
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]
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],
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"radius": 2
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}
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}
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]
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}
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+28
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{
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"sources": [
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"tangency-labs/solidcraft#3276"
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],
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"what": "three extrudes joined into an L-shaped body with a 1 mm protrusion, then a chamfer on the protrusion's outer edge (the report: the corners are no longer 90 degrees and the chamfer fails)",
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"source": "analytic",
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"method": "Base 40x20x10 (8000). A wall 40x5x20 extruded up from the base's top face at y 0..5 (4000): an L section. A 20x10 pad extruded 1 mm out of the wall's front face (y 5..6, z 10..20, x 10..30) (200). A 0.5 mm chamfer on its top outer edge (y=6, z=20, length 20) removes a right triangle 0.5x0.5/2 x 20 = 2.5. V = 12200 - 2.5 = 12197.5 mm3. Centre of mass from the pieces: base (20,10,5), wall (20,2.5,20), pad (20,5.5,15), minus the removed wedge at (20, 17/3, 59.5/3).",
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"outcome": "solid",
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"body_count": 1,
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"volume_mm3": 12197.5,
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"center_of_mass": [
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20.0,
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7.4676,
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10.08
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],
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"bbox": {
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"min": [
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0,
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0,
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0
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],
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"max": [
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40,
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20,
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30
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]
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}
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}
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+119
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{
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"commands": [
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{
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"command": "sketch.create",
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"params": {
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"plane": "XY"
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}
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},
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{
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"command": "sketch.rectangle.two_point",
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"params": {
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"p0": [
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0,
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0
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],
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"p1": [
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40,
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20
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]
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}
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},
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{
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"command": "sketch.finish",
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"params": {}
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},
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{
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"command": "solid.extrude",
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"params": {
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"distance": 10,
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"body_name": "L"
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}
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},
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{
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"command": "sketch.create",
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"params": {
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"plane": {
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"face": [
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20,
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10,
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10
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]
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}
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}
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},
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{
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"command": "sketch.rectangle.two_point",
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"params": {
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"p0": [
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0,
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0
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],
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"p1": [
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40,
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5
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]
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}
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},
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{
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"command": "sketch.finish",
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"params": {}
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},
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{
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"command": "solid.extrude",
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"params": {
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"distance": 20,
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"operation": "join"
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}
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},
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{
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"command": "sketch.create",
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"params": {
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"plane": {
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"face": [
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20,
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5,
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20
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]
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}
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}
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},
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{
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"command": "sketch.rectangle.two_point",
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"params": {
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"p0": [
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-30,
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10
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],
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"p1": [
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-10,
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20
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]
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}
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},
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{
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"command": "sketch.finish",
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"params": {}
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},
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{
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"command": "solid.extrude",
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"params": {
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"distance": 1,
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"operation": "join"
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}
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},
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{
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"command": "solid.chamfer",
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"params": {
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"edges": [
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[
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20,
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6,
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20
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]
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],
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"distance": 0.5
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}
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}
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]
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}
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+24
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{
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"sources": [
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"tangency-labs/solidcraft#3753"
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],
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"what": "a circular pattern (6 copies about Y) of a through hole and the 1 mm chamfer on its rim (the report: the pattern is refused because the copied chamfer 'would grow the part'); rebuilt as a hole in a disc, the original design is not in the report",
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"source": "analytic",
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"method": "Disc R=30, h=10 (axis Y): V0 = pi 900 10 = 28274.3339. Each hole: diameter 4 through (pi 4 10 = 125.6637) plus the 1 mm chamfer on the top rim, a frustum from r=2 (depth 1) to r=3 (top) minus the cylinder it overlaps: pi/3 (4 + 6 + 9) - 4 pi = 7 pi/3 = 7.3304. The holes sit on a circle of radius 20, 60 degrees apart (chord 20, holes 4 mm wide plus the chamfer's 6 mm: no overlap, and 20 - 3 > 0 leaves the rim inside the disc). V = V0 - 6 (125.6637 + 7.3304) = 27476.3693 mm3. Faces: side, top, bottom, plus a wall and a cone per hole = 15.",
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"outcome": "solid",
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"body_count": 1,
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"volume_mm3": 27476.3693,
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"faces": 15,
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"bbox": {
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"min": [
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-30,
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0,
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-30
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],
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"max": [
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30,
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10,
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30
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]
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}
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}
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+67
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{
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"commands": [
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{
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"command": "sketch.create",
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"params": {
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"plane": "XZ"
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}
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},
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{
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"command": "sketch.circle.center",
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"params": {
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"center": [
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0,
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0
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],
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"radius": 30
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}
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},
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{
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"command": "sketch.finish",
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"params": {}
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},
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{
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"command": "solid.extrude",
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"params": {
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"distance": 10,
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"body_name": "Disc"
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}
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},
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{
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"command": "solid.hole",
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"params": {
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"position": [
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20,
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10,
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0
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],
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"diameter": 4
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}
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},
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{
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"command": "solid.chamfer",
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"params": {
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"edges": [
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[
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22,
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10,
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0
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]
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],
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"distance": 1
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}
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},
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{
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"command": "solid.pattern.circular",
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"params": {
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"features": [
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"Hole1",
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"Chamfer1"
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],
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"axis": "Y",
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"count": 6,
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"angle": "360 deg"
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}
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}
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]
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}
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Reference in New Issue
Block a user