""" Dokunsal kesir seti + tabak (gorme engelli ve az goren ogrenciler icin) - STL ureteci. Calistirma: /Applications/Blender.app/Contents/MacOS/Blender -b --factory-startup \ --python generate_kesir.py -- [cikti_klasoru] Parcalar: tabak : kesir dairelerinin oturdugu tabak. Ortadaki pim, parcalarin uclarini merkeze toplar; kenar parcalari disaridan tutar. Saat 12'de buyuk nokta = baslangic isareti (kesirler buradan saat yonunde dizilip karsilastirilir). Saat 3 ve 9'da parmak oyugu (parcayi kaldirmak icin). Tutma dilinde Braille "kesir" ve buyuk punto "KESİR". kesir_1_N : 1/N parcalari (N adet), her parcada - merkezden disa dogru okunan Braille kesir (pay normal, payda alt rakam) - yay kenarina yakin, az gorenler icin buyuk punto "1/N" Iki renkli baski (az gorenler icin kontrast): parcalarda 4.0 mm'de, tabakta 5.4 mm'de duraklatip filament degistirin; kabartmalar zemin renginden ayrilir. """ import math import os import sys sys.dont_write_bytecode = True sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'ortak')) from dokunsal import (DOT_L, SINK, Piece, braille_fraction, braille_width, braille_word, # noqa: E402 build_object, circle, convex_hull, export_stl, left_normal, merge_objects, polar, render, report, reset_scene, rounded, save_blend, v2) # --------------------------------------------------------------------------- # Olculer (mm) # --------------------------------------------------------------------------- DENOMS = (1, 2, 3, 4, 5, 6, 8, 10, 12) R = 50.0 # parca yaricapi (1/12'de Braille + buyuk punto sigsin diye 100 mm cap) T_PIECE = 4.0 # parca kalinligi KERF = 0.3 # komsu parcalar arasindaki toplam bosluk RC = 4.0 # parca ucundaki merkez oyugu (sivri uc olmasin, pime otursun) EXPLODE = 2.5 # STL'de parcalar arasi aralik (tablaya yerlesim) LP_HEIGHT = 6.0 # buyuk punto yazi yuksekligi LP_R = 44.5 # buyuk punto yazinin merkezden uzakligi BR_R0 = 17.0 # Braille'in merkezden basladigi uzaklik FLOOR = 2.4 # tabak taban kalinligi RIM_H = 3.0 # kenarin taban ustundeki yuksekligi (parca 1 mm disari tasar) RIM_W = 5.0 # kenar genisligi CLEAR = 0.5 # parca ile tabak kenari arasi bosluk BOSS_R = RC - 0.4 # merkez pimi TAB_W = 46.0 # tutma dili genisligi TAB_D = 26.0 # tutma dilinin kenardan tasma miktari SCOOP_R = 9.0 # parmak oyugu yaricapi SCOOP_DEPTH = 1.2 # parmak oyugunun tabana inme derinligi def arc(r, deg0, deg1, step=1.0): k = max(1, math.ceil(abs(deg1 - deg0) / step)) return [polar(r, deg0 + (deg1 - deg0) * j / k) for j in range(k + 1)] def make_piece(n): """1/n parcasi; aciortay +y yonunde (90 derece).""" name = 'kesir_1_%d_parca' % n if n == 1: pc = Piece(name, circle(v2(0, 0), R, 360), [circle(v2(0, 0), RC, 48)], thickness=T_PIECE) else: half = 180.0 / n k = KERF / 2 do = math.degrees(math.asin(k / R)) di = math.degrees(math.asin(k / RC)) poly = arc(R, 90 - half + do, 90 + half - do) + arc(RC, 90 + half - di, 90 - half + di, 5.0) pc = Piece(name, poly, thickness=T_PIECE) b = v2(0, 1) # aciortay (disa) up = left_normal(b) cells = braille_fraction(1, n) c = b * (BR_R0 + braille_width(cells) / 2) pc.add_braille(cells, lambda x, y: c + b * x + up * y, name + ' braille') pc.add_text('1/%d' % n, b * LP_R, -b, LP_HEIGHT, name + ' buyuk punto') return pc def make_plate(): rp = R + CLEAR + RIM_W top = FLOOR + RIM_H tab = [v2(-TAB_W / 2, -rp - TAB_D), v2(TAB_W / 2, -rp - TAB_D), v2(TAB_W / 2, -rp + 10), v2(-TAB_W / 2, -rp + 10)] outer = rounded(convex_hull(circle(v2(0, 0), rp, 180) + tab), 4.0) pocket = circle(v2(0, 0), R + CLEAR, 180) scoops = [v2(s * (R + CLEAR + RIM_W / 2), 0) for s in (1, -1)] pc = Piece('tabak', outer, thickness=top, keepout=[pocket] + [circle(s, SCOOP_R, 48) for s in scoops]) pc.cyl_cut.append((v2(0, 0), R + CLEAR, FLOOR, top + 1.0)) for s in scoops: pc.cyl_cut.append((s, SCOOP_R, FLOOR - SCOOP_DEPTH, top + 1.0)) pc.cyl_add.append((v2(0, 0), BOSS_R, FLOOR - SINK, top)) pc.add(v2(0, R + CLEAR + RIM_W / 2), None, DOT_L, 'baslangic isareti') pc.add_text('KESİR', v2(0, -rp - 7.5), v2(0, 1), LP_HEIGHT, 'tabak buyuk punto') c = v2(0, -rp - 17.5) pc.add_braille(braille_word('kesir'), lambda x, y: c + v2(x, y), 'tabak braille') return pc def main(): argv = sys.argv[sys.argv.index('--') + 1:] if '--' in sys.argv else [] here = os.path.dirname(os.path.abspath(__file__)) out = os.path.abspath(argv[0]) if argv else here stl_dir = os.path.join(out, 'stl') os.makedirs(stl_dir, exist_ok=True) reset_scene() plate_pc = make_plate() plate, _, _ = build_object(plate_pc) report('tabak', plate) for s in plate_pc.skipped: print(' atlandi:', s) export_stl(plate, os.path.join(stl_dir, 'tabak.stl')) colors = [(0.1, 0.1, 0.1), (0.85, 0.2, 0.2), (0.15, 0.4, 0.85), (0.15, 0.65, 0.3), (0.95, 0.75, 0.1), (0.6, 0.3, 0.75), (0.95, 0.5, 0.1), (0.2, 0.7, 0.75), (0.85, 0.4, 0.6)] sets = {} for n, col in zip(DENOMS, colors): pc = make_piece(n) wedge, _, _ = build_object(pc) for s in pc.skipped: print(' atlandi:', s) step = 360.0 / n placed = [(wedge, tuple(polar(EXPLODE if n > 1 else 0, 90 + i * step)), i * step) for i in range(n)] obj = merge_objects('kesir_1_%d' % n, placed) report(obj.name, obj, '(%d parca)' % n) export_stl(obj, os.path.join(stl_dir, obj.name + '.stl')) obj.color = (*col, 1.0) sets[n] = (wedge, obj) # onizleme: tabakta 1/4 seti + butun setler plate.color = (0.92, 0.92, 0.9, 1.0) wedge4 = sets[4][0] inplate = merge_objects('tabakta_1_4', [(wedge4, (0, 0), i * 90) for i in range(4)]) inplate.location = (0, 0, FLOOR) inplate.color = sets[4][1].color grid = [(130, 0), (260, 0), (-130, -130), (0, -130), (130, -130), (260, -130), (-130, 0), (0, -260), (130, -260)] shown = [plate, inplate] for (n, (_, obj)), pos in zip(sets.items(), grid): if n == 4: obj.hide_render = True continue obj.location = (*pos, 0) shown.append(obj) render(shown, os.path.join(out, 'onizleme.png'), center=(65, -105), size=560, tilt=25) render([plate, inplate], os.path.join(out, 'onizleme_tabak.png'), center=(0, -12), size=170, tilt=35) w12 = sets[12][0] w12.location = (600, 0, 0) w12.color = sets[12][1].color render([w12], os.path.join(out, 'onizleme_1_12.png'), center=(600, 28), size=70, tilt=15) save_blend(os.path.join(out, 'kesir_seti.blend')) main()