#!/usr/bin/env python3 """ kit v3 — complete morphospace kit, single sheet, fully recalibrated. Comb winner: drawn 3.4 mm -> t=3.7 eff, k=0.20, FIT_PRESS=-0.10 (SW=3.40) Contents: 11 bars (4xS50, 4xS75, 3xS110), cookies H3/H4/H5, 4x 3-layer clevis (4 fork plates + 8 cheeks + 14 pins), 4 lollipops, 2 heads, 4 feet (sole+fin). Dropped: cones, v1 snap forks, comb. """ import math from shapely.geometry import Polygon, Point, box from shapely import affinity t, k, FIT_PRESS = 3.7, 0.20, -0.10 SW = round(t - k + FIT_PRESS, 2) FIT_RUN = 0.05 SLOT_D, STRUT_W = 9.0, 16.0 HUB_R = 22.0 DISC_R, POCKET_R, WINDOW_R = 12.0, 12.0 + FIT_RUN, 9.0 PLATE_RO, MOUTH, FBAR = 23.0, 21.0, 34.0 PIN_W, PIN_L, PIN_R, TAIL_PIN_X = 8.0, 12.0, 17.5, 26.0 PIN_ANGS = [142, 218] HOLE_L = round(PIN_W - k + FIT_PRESS, 2) CUT, ENG, TXT = [], [], [] def pin_hole(cx, cy, along_deg): h = box(-HOLE_L/2, -SW/2, HOLE_L/2, SW/2) return affinity.translate(affinity.rotate(h, along_deg, origin=(0,0)), cx, cy) def _pins_cut(b): for a in PIN_ANGS: b = b.difference(pin_hole(PIN_R*math.cos(math.radians(a)), PIN_R*math.sin(math.radians(a)), a+90)) return b.difference(pin_hole(TAIL_PIN_X, 0, 90)) MORT = round(9 - k + FIT_PRESS, 2) # 8.70: grips the 9mm fin tab def strut(L): b = box(0, -STRUT_W/2, L, STRUT_W/2).buffer(2, join_style=1).buffer(-2, join_style=1) b = b.difference(box(0, -SW/2, SLOT_D, SW/2)) b = b.difference(box(L-SLOT_D, -SW/2, L, SW/2)) for cx in range(25, int(L)-15, 25): # mid-bar mortises, 25mm pitch from left datum b = b.difference(box(cx-SW/2, -MORT/2, cx+SW/2, MORT/2)) return b def hub(n): b = Point(0,0).buffer(HUB_R, quad_segs=48) for i in range(n): b = b.difference(affinity.rotate(box(-SW/2, HUB_R-SLOT_D, SW/2, HUB_R+1), 360*i/n, origin=(0,0))) return b MOUTH_HALF_DEG = 60.0 # wedge mouth: swing limited at pocket rim, not outer rim def fork_plate(): outer = Point(0,0).buffer(PLATE_RO, quad_segs=64).union( box(0, -STRUT_W/2, PLATE_RO+FBAR, STRUT_W/2)) b = outer.difference(Point(0,0).buffer(POCKET_R, quad_segs=64)) wedge = Polygon([(0,0)] + [(28*math.cos(math.radians(a)), 28*math.sin(math.radians(a))) for a in range(int(180-MOUTH_HALF_DEG), int(180+MOUTH_HALF_DEG)+1, 2)]) b = b.difference(wedge) b = b.difference(box(PLATE_RO+FBAR-SLOT_D, -SW/2, PLATE_RO+FBAR, SW/2)) return _pins_cut(b) def cheek(): b = Point(0,0).buffer(PLATE_RO, quad_segs=64).union(box(0, -8, TAIL_PIN_X+7, 8)) b = b.difference(Point(0,0).buffer(WINDOW_R, quad_segs=64)) return _pins_cut(b) def cheek_index(cx, cy): ENG.append(((cx-16, cy), (cx-10.2, cy))) ENG.append(((cx-13, cy+1.8), (cx-10.2, cy))) ENG.append(((cx-13, cy-1.8), (cx-10.2, cy))) def pin(): return box(0, 0, PIN_W, PIN_L).buffer(0.8, join_style=1).buffer(-0.8, join_style=1) def disc_ticks(cx, cy): for a in range(0, 360, 15): r0 = 4.0 if a % 45 == 0 else 5.5 ENG.append(((cx+r0*math.cos(math.radians(a)), cy+r0*math.sin(math.radians(a))), (cx+8.2*math.cos(math.radians(a)), cy+8.2*math.sin(math.radians(a))))) def lolli(): b = Point(0,0).buffer(DISC_R, quad_segs=64).union( box(-STRUT_W/2+2, -DISC_R-26, STRUT_W/2-2, 0)) return b.difference(box(-SW/2, -DISC_R-26, SW/2, -DISC_R-26+SLOT_D)) def head(): b = Point(0,0).buffer(DISC_R, quad_segs=64).union(box(0,-6,27,6)).union( Point(41,2).buffer(14, quad_segs=64)).union( Polygon([(46,9),(68,3),(68,-3),(46,-7)])).union( Polygon([(36,14),(41,26),(45,14)])) return b.difference(box(41-SW/2, -12.5, 41+SW/2, -12.5+SLOT_D)) def head_eye(dx, dy): pts = [(dx+45+2.2*math.cos(math.radians(a)), dy+6+2.2*math.sin(math.radians(a))) for a in range(0,361,30)] for p0, p1 in zip(pts, pts[1:]): ENG.append((p0, p1)) def sole(): b = box(0,0,44,26).buffer(4, join_style=1).buffer(-4, join_style=1) return b.difference(box(22-SW/2, 13-MORT/2, 22+SW/2, 13+MORT/2)) def fin(): b = Polygon([(0,0),(26,0),(20,22),(6,22)]).union(box(13-4.5,-3.4,13+4.5,0.5)) return b.difference(box(13-SW/2, 22-SLOT_D, 13+SW/2, 23)) def place(g, dx, dy, rot=0): CUT.append(affinity.translate(affinity.rotate(g, rot, origin=(0,0)), dx, dy)) # ---------------- layout ---------------- y = 14 for L, n, lab in [(50,4,"S50"), (75,4,"S75"), (110,3,"S110")]: for j in range(n): place(strut(L), 12, y + STRUT_W/2) if j == 0: TXT.append((12 + 10.5, y + STRUT_W/2 - 1.6, lab, 3.2)) y += STRUT_W + 5 y += 3 # bars end ~ y=248 for nsl, hx, lab in [(3, 46, "H3"), (4, 106, "H4"), (5, 166, "H5")]: place(hub(nsl), hx, 285) TXT.append((hx-5, 283, lab, 4.0)) for i in range(2): # heads hx, hy = 30, 335 + i*44 place(head(), hx, hy); disc_ticks(hx, hy); head_eye(hx, hy) for i in range(4): # fork plates place(fork_plate(), 305, 38 + i*50) for i in range(4): # cheeks, col A (left of forks) cx, cy = 232, 40 + i*52 place(cheek(), cx, cy); cheek_index(cx, cy) for i in range(4): # cheeks, col B (right of forks) cx, cy = 390, 38 + i*50 place(cheek(), cx, cy); cheek_index(cx, cy) for i in range(4): # lollipops dx, dy = 300 + (i%2)*46, 330 + (i//2)*56 place(lolli(), dx, dy); disc_ticks(dx, dy) for i in range(14): # pins place(pin(), 396 + (i%4)*14, 232 + (i//4)*20) labels = ["ANAIS", "HTMAA", "WK 2", "v3.1"] for i in range(4): # soles sx, sy = 288 + (i%2)*50, 228 + (i//2)*32 place(sole(), sx, sy) TXT.append((sx+27, sy+16.5, labels[i], 4.0)) for i in range(4): # fins place(fin(), 396 + (i%2)*36, 328 + (i//2)*34) place(strut(50), 165, 350, rot=90) # 12th bar: spare S50 TXT.append((158.5, 362, "S50", 3.0)) # ---------------- export ---------------- minx = min(g.bounds[0] for g in CUT)-6; miny = min(g.bounds[1] for g in CUT)-6 maxx = max(g.bounds[2] for g in CUT)+6; maxy = max(g.bounds[3] for g in CUT)+6 W, H = maxx-minx, maxy-miny def d(poly): def ring(r): return "M " + " L ".join(f"{x-minx:.2f},{H-(y-miny):.2f}" for x, y in r.coords) + " Z" return " ".join([ring(poly.exterior)] + [ring(i) for i in poly.interiors]) parts = [] for g in CUT: for p in (g.geoms if g.geom_type == "MultiPolygon" else [g]): parts.append(f'') for (p0, p1) in ENG: parts.append(f'') from matplotlib.textpath import TextPath from matplotlib.font_manager import FontProperties _fp = FontProperties(family="DejaVu Sans", weight="bold") for (tx, ty, txt, size) in TXT: tp = TextPath((0, 0), txt, size=size, prop=_fp) dd = [] for verts in tp.to_polygons(): if len(verts) < 2: continue dd.append("M " + " L ".join(f"{tx+vx-minx:.2f},{H-(ty+vy-miny):.2f}" for vx, vy in verts) + " Z") parts.append(f'') svg = (f'' + "".join(parts) + "") open("kit_v3_1.svg", "w").write(svg) print(f"kit_v3_1.svg {W:.0f} x {H:.0f} mm | 12 bars, 3 cookies, 4 forks, 8 cheeks, " f"14 pins, 4 lollis, 2 heads, 4 soles, 4 fins | SW={SW}")