# 수동 타자기 (1920년대 프런트 스트라이크형, 언더우드 No.5 계열) — 실제 크기(폭 약 42cm) 모델. # 검은 에나멜 몸체는 측면 프로필을 돌출한 뒤 불리언으로 활자대 바구니 자리를 파냈고, # 반원형으로 펼쳐진 활자대(타이프바), 4단 계단식 둥근 키, 고무 플래튼과 캐리지, 리본 스풀, # 종이 받침과 끼워진 종이를 bmesh 기본 도형(행렬 변환으로 한 메시에 누적)과 루프로 만들었다. # 키 글자는 3D 텍스트로 얹었고, 질감 이미지 없이 Principled BSDF 상수 재질만 썼다. from atelier import * SHOT = {"azimuth": -58, "elevation": 26, "lens": 60, "light": "studio", "background": "#6d7a7e"} # ---------------------------------------------------------------- 재질 ENAMEL = mat('Black_Enamel', '#1b1b1d', rough=0.22, coat=0.6) CHROME = mat('Nickel_Chrome', '#c8cbcf', rough=0.14, metal=1.0) STEEL = mat('Typebar_Steel', '#b4b7bb', rough=0.28, metal=1.0) KEYTOP = mat('Key_Celluloid', '#ece3cc', rough=0.3) LETTER = mat('Key_Lettering', '#26221e', rough=0.5) RUBBER = mat('Platen_Rubber', '#2a2828', rough=0.65) GOLD = mat('Gold_Decal', '#c9a24c', rough=0.3, metal=1.0) PAPER = mat('Paper_Sheet', '#eee8d9', rough=0.85) RIBBON = mat('Ink_Ribbon', '#6e1d1f', rough=0.7) FELT = mat('Felt_Pad', '#4d3f33', rough=0.95) GLASS = mat('Side_Glass', '#2c3a3d', rough=0.08) # ---------------------------------------------------------------- bmesh 누적 도우미 def M(loc=(0, 0, 0), rot=(0, 0, 0), scale=(1, 1, 1)): return Matrix.LocRotScale(Vector(loc), Euler(rot), Vector(scale)) class Parts: """여러 기본 도형을 한 메시에 모은다(오브젝트 수를 줄이고 같은 재질끼리 묶기).""" def __init__(self, name, material): self.name, self.material, self.bm = name, material, bmesh.new() def box(self, loc, size, rot=(0, 0, 0)): bmesh.ops.create_cube(self.bm, size=1.0, matrix=M(loc, rot, size)) def cyl(self, loc, r, h, rot=(0, 0, 0), seg=24, r2=None): bmesh.ops.create_cone(self.bm, cap_ends=True, segments=seg, radius1=r, radius2=r if r2 is None else r2, depth=h, matrix=M(loc, rot)) def rod(self, a, b, r, seg=8): a, b = Vector(a), Vector(b) d = b - a q = d.to_track_quat('Z', 'Y') mtx = Matrix.Translation((a + b) / 2) @ q.to_matrix().to_4x4() bmesh.ops.create_cone(self.bm, cap_ends=True, segments=seg, radius1=r, radius2=r, depth=d.length, matrix=mtx) def strip(self, a, b, width, thick): """a→b 를 잇는 얇은 띠(폭 방향은 수직에 가깝게).""" a, b = Vector(a), Vector(b) d = b - a q = d.to_track_quat('X', 'Z') mtx = Matrix.Translation((a + b) / 2) @ q.to_matrix().to_4x4() @ Matrix.Diagonal((d.length, thick, width, 1)) bmesh.ops.create_cube(self.bm, size=1.0, matrix=mtx) def done(self, smooth_it=False): me = bpy.data.meshes.new(self.name) self.bm.to_mesh(me) self.bm.free() ob = bpy.data.objects.new(self.name, me) link(ob) assign(ob, self.material) if smooth_it: smooth(ob) return ob def yz_profile(name, pts, width, material, x=0.0): """YZ 평면 프로필 [(y,z),...] 을 X 방향으로 width 만큼 돌출.""" bm = bmesh.new() h = width / 2 a = [bm.verts.new((x - h, y, z)) for y, z in pts] b = [bm.verts.new((x + h, y, z)) for y, z in pts] bm.faces.new(a) bm.faces.new(list(reversed(b))) n = len(pts) for i in range(n): bm.faces.new((a[i], a[(i + 1) % n], b[(i + 1) % n], b[i])) bmesh.ops.recalc_face_normals(bm, faces=bm.faces) me = bpy.data.meshes.new(name) bm.to_mesh(me) bm.free() ob = bpy.data.objects.new(name, me) link(ob) return assign(ob, material) # ---------------------------------------------------------------- 주요 치수 BODY_W = 0.30 # 몸체 폭 BASE_TOP = 0.025 # 받침 윗면 DECK = 0.150 # 몸체 윗면 PX, PY, PZ = 0.0, 0.050, 0.205 # 플래튼 중심 PR = 0.020 # 플래튼 반지름 PLATEN_L = 0.33 BASKET_C = (0.0, 0.050) # 활자대 바구니 중심(인자점 바로 아래) BASKET_R = 0.118 # ---------------------------------------------------------------- 받침과 고무 발 base = box('Base_Frame', (BODY_W + 0.012, 0.355, BASE_TOP - 0.006), (0, -0.025, 0.006), material=ENAMEL, base=True) bevel(base, 0.006, 3) feet = Parts('Rubber_Feet', RUBBER) for sx in (-1, 1): for fy in (-0.185, 0.135): feet.cyl((sx * 0.135, fy, 0.003), 0.012, 0.006, seg=20) feet.done(True) # ---------------------------------------------------------------- 몸체 (측면 프로필 돌출 + 바구니 파내기) body_prof = [(-0.108, BASE_TOP - 0.002), (0.150, BASE_TOP - 0.002), (0.150, 0.138), (0.138, DECK), (-0.074, DECK), (-0.090, 0.136), (-0.108, 0.104)] body = yz_profile('Body_Shell', body_prof, BODY_W, ENAMEL) bevel(body, 0.004, 2) # 활자대 바구니: 앞쪽 반원 + 뒤로 이어진 사각형 프리즘을 빼낸다 cut_pts = [] for i in range(25): a = math.pi + math.pi * i / 24 # 180°→360° (앞쪽 반원) cut_pts.append((BASKET_C[0] + BASKET_R * math.cos(a), BASKET_C[1] + BASKET_R * math.sin(a))) cut_pts += [(BASKET_R, 0.085), (-BASKET_R, 0.085)] cutter = prism('Basket_Cutter', cut_pts, 0.12, loc=(0, 0, 0.100)) boolean(body, cutter) # 바구니 바닥(어두운 펠트) floor_pts = [(BASKET_C[0] + (BASKET_R + 0.001) * math.cos(math.pi + math.pi * i / 24), BASKET_C[1] + (BASKET_R + 0.001) * math.sin(math.pi + math.pi * i / 24)) for i in range(25)] floor_pts += [(BASKET_R + 0.001, 0.086), (-BASKET_R - 0.001, 0.086)] prism('Basket_Floor', floor_pts, 0.004, loc=(0, 0, 0.098), material=FELT) # ---------------------------------------------------------------- 활자대(타이프바) 부채꼴 seg_parts = Parts('Typebar_Segment', CHROME) seg_r0, seg_r1 = 0.042, 0.050 # 반원형 세그먼트(활자대 축받이) for i in range(24): a0 = math.pi + math.pi * i / 24 a1 = math.pi + math.pi * (i + 1) / 24 am = (a0 + a1) / 2 rm = (seg_r0 + seg_r1) / 2 seg_parts.box((BASKET_C[0] + rm * math.cos(am), BASKET_C[1] + rm * math.sin(am), 0.134), (seg_r1 - seg_r0, rm * (a1 - a0) * 1.04, 0.022), (0, 0, am)) seg_parts.done() bars = Parts('Typebars', STEEL) slugs = Parts('Type_Slugs', STEEL) N_BARS = 42 for i in range(N_BARS): a = math.radians(192 + 156 * i / (N_BARS - 1)) ca, sa = math.cos(a), math.sin(a) r_in, r_out = 0.047, 0.110 z_in, z_out = 0.138, 0.109 p0 = (BASKET_C[0] + r_in * ca, BASKET_C[1] + r_in * sa, z_in) p1 = (BASKET_C[0] + r_out * ca, BASKET_C[1] + r_out * sa, z_out) L = math.dist(p0, p1) slope = math.atan2(z_in - z_out, r_out - r_in) mid = [(u + v) / 2 for u, v in zip(p0, p1)] bars.box(mid, (L, 0.0030, 0.0040), (0, slope, a)) slugs.box((p1[0] - 0.002 * ca, p1[1] - 0.002 * sa, z_out + 0.0035), (0.007, 0.0034, 0.0045), (0, slope, a)) bars.done() slugs.done() # 활자대 받침(펠트 반원 링) rest = Parts('Typebar_Rest', FELT) for i in range(20): a = math.radians(190 + 160 * (i + 0.5) / 20) rest.box((BASKET_C[0] + 0.104 * math.cos(a), BASKET_C[1] + 0.104 * math.sin(a), 0.1045), (0.006, 0.104 * math.radians(160 / 20) * 1.05, 0.005), (0, 0, a)) rest.done() # ---------------------------------------------------------------- 키보드 (4단 계단식) ROWS = [ # (y, 키 윗면 z, x 오프셋, 글자) (-0.182, 0.058, 0.012, "ZXCVBNM,./"), (-0.160, 0.071, 0.007, "ASDFGHJKL;'"), (-0.138, 0.084, 0.002, "QWERTYUIOP-"), (-0.116, 0.097, -0.003, "23456789_0½"), ] PITCH = 0.0195 KEY_R = 0.0078 rims = Parts('Key_Rims', CHROME) tops = Parts('Key_Tops', KEYTOP) stems = Parts('Key_Levers', ENAMEL) LEVER_Z = 0.036 key_positions = [] for (ky, kz, xo, chars) in ROWS: n = len(chars) for j, ch in enumerate(chars): kx = xo + (j - (n - 1) / 2) * PITCH key_positions.append((kx, ky, kz, ch)) # 시프트·백스페이스 등 가장자리 키 extra = [(-0.122, -0.182, 0.058, ''), (0.135, -0.182, 0.058, ''), (-0.124, -0.160, 0.071, ''), (0.118, -0.116, 0.097, '')] key_positions += extra for kx, ky, kz, ch in key_positions: rims.cyl((kx, ky, kz - 0.0025), KEY_R, 0.005, seg=24) tops.cyl((kx, ky, kz + 0.0003), KEY_R - 0.0012, 0.0006, seg=24) # 키 줄기(아래로) + 키 레버(뒤쪽 몸체로) stems.box((kx, ky + 0.003, (kz - 0.005 + LEVER_Z) / 2), (0.0016, 0.003, kz - 0.005 - LEVER_Z)) stems.box((kx, (ky - 0.108) / 2 + 0.002, LEVER_Z), (0.0022, -0.108 - ky + 0.008, 0.005)) rims.done(True) tops.done(True) stems.done() # 키 글자 (3D 텍스트) letters = [] for kx, ky, kz, ch in key_positions: if not ch: continue t = text3d('Letter_' + ch, ch, size=0.0085, depth=0.00025, loc=(kx, ky - 0.0028, kz + 0.0009), material=LETTER) letters.append(t) # 스페이스바 space = Parts('Space_Bar', ENAMEL) space.box((0.0, -0.203, 0.049), (0.21, 0.009, 0.007)) for sx in (-0.085, 0.085): space.box((sx, -0.203, (0.046 + LEVER_Z) / 2), (0.003, 0.003, 0.046 - LEVER_Z)) space.box((sx, (-0.203 - 0.108) / 2, LEVER_Z - 0.004), (0.003, 0.095, 0.004)) space.done() bevel(bpy.data.objects['Space_Bar'], 0.002, 2) # 키보드 아래 받침 앞판(레버 가림판) box('Key_Comb', (BODY_W - 0.01, 0.006, 0.010), (0, -0.112, LEVER_Z - 0.003), material=ENAMEL, base=True) # ---------------------------------------------------------------- 캐리지 car = Parts('Carriage_Frame', ENAMEL) car.box((0, 0.112, 0.156), (0.40, 0.065, 0.012)) # 캐리지 받침대 for sx in (-1, 1): # 플래튼 축을 잡는 끝판 car.box((sx * 0.172, 0.085, 0.188), (0.008, 0.10, 0.052)) car.done() bevel(bpy.data.objects['Carriage_Frame'], 0.002, 2) rails = Parts('Carriage_Rails', CHROME) rails.rod((-0.20, 0.140, 0.165), (0.20, 0.140, 0.165), 0.004, seg=12) rails.rod((-0.20, 0.084, 0.165), (0.20, 0.084, 0.165), 0.004, seg=12) rails.box((0, 0.020, 0.176), (0.36, 0.004, 0.012)) # 앞쪽 눈금자 rails.done(True) platen = cylinder('Platen', PR, PLATEN_L, (PX - PLATEN_L / 2, PY, PZ), (0, math.pi / 2, 0), RUBBER, seg=48, base=True) smooth(platen) knob = Parts('Platen_Knobs', ENAMEL) for sx in (-1, 1): knob.cyl((sx * 0.1765, PY, PZ), 0.004, 0.006, (0, math.pi / 2, 0), seg=16) knob.cyl((sx * 0.193, PY, PZ), 0.022, 0.026, (0, math.pi / 2, 0), seg=40) knob.done(True) bevel(bpy.data.objects['Platen_Knobs'], 0.003, 2) # 종이 받침(플래튼 뒤 곡면판) tbl = [] for i in range(13): t = i / 12 tbl.append((PY + (PR + 0.006) * math.cos(math.radians(60)) + 0.085 * t, PZ + 0.012 + 0.085 * t - 0.015 * t * t)) inner = [(y + 0.0, z) for y, z in tbl] outer = [(y + 0.0025 * 0.7, z - 0.0025 * 0.7) for y, z in tbl] paper_table = yz_profile('Paper_Table', inner + list(reversed(outer)), 0.27, ENAMEL) # 끼워진 종이: 인자점 앞에서 플래튼을 감고 종이 받침을 따라 올라간다 sheet_pts = [] for i in range(14): a = math.radians(200 - 140 * i / 13) # 플래튼 앞-아래(200°)에서 위-뒤(60°)로 sheet_pts.append((PY + (PR + 0.0012) * math.cos(a), PZ + (PR + 0.0012) * math.sin(a))) for y, z in tbl[1:]: sheet_pts.append((y - 0.004, z + 0.004)) y_last, z_last = tbl[-1] for k in range(1, 4): sheet_pts.append((y_last - 0.004 + 0.012 * k, z_last + 0.004 + 0.022 * k)) sheet_in = sheet_pts sheet_out = [(y, z + 0.0006) for y, z in sheet_pts] paper = yz_profile('Paper_Sheet', sheet_in + list(reversed(sheet_out)), 0.216, PAPER) # 용지 누름대(페이퍼 베일)와 롤러 bail = Parts('Paper_Bail', CHROME) bz, by = PZ + PR * 0.75, PY - PR * 0.55 bail.rod((-0.16, by - 0.002, bz + 0.003), (0.16, by - 0.002, bz + 0.003), 0.0018, seg=10) for sx in (-1, 1): bail.rod((sx * 0.16, by - 0.002, bz + 0.003), (sx * 0.168, PY + 0.01, PZ + 0.004), 0.0018, seg=8) for rx in (-0.06, 0.06): bail.cyl((rx, by - 0.001, bz + 0.0015), 0.004, 0.012, (0, math.pi / 2, 0), seg=16) bail.done(True) # 캐리지 리턴 레버(왼쪽) lever = Parts('Carriage_Return_Lever', CHROME) lever.rod((-0.176, 0.040, 0.215), (-0.200, 0.010, 0.222), 0.003) lever.rod((-0.200, 0.010, 0.222), (-0.225, -0.040, 0.232), 0.003) lever.box((-0.230, -0.052, 0.234), (0.016, 0.026, 0.004), (0.15, 0, -0.35)) lever.done(True) # ---------------------------------------------------------------- 리본 스풀과 리본 spools = Parts('Ribbon_Spool_Cups', CHROME) ribs = Parts('Ribbon_Rolls', RIBBON) for sx in (-1, 1): spools.cyl((sx * 0.124, -0.035, DECK + 0.002), 0.024, 0.004, seg=40) ribs.cyl((sx * 0.124, -0.035, DECK + 0.008), 0.019, 0.008, seg=40) spools.cyl((sx * 0.124, -0.035, DECK + 0.014), 0.004, 0.006, seg=16) spools.done(True) ribs.done(True) # 리본 진동판(가운데 리본 가이드) guide = Parts('Ribbon_Vibrator', CHROME) guide.box((0, PY - PR - 0.004, PZ - 0.012), (0.016, 0.002, 0.012)) guide.done() # ---------------------------------------------------------------- 금색 줄무늬 gold = Parts('Gold_Pinstripes', GOLD) gold.box((0, 0.1505, 0.110), (0.26, 0.0012, 0.0025)) gold.done() # 리본 띠: 양쪽 스풀에서 가운데 리본 가이드로 band = Parts('Ribbon_Band', RIBBON) for sx in (-1, 1): band.strip((sx * 0.106, -0.024, DECK + 0.009), (sx * 0.035, 0.012, PZ - 0.020), 0.010, 0.0008) band.strip((sx * 0.035, 0.012, PZ - 0.020), (sx * 0.008, PY - PR - 0.0055, PZ - 0.012), 0.010, 0.0008) band.done() # 측면 유리창(양옆)과 금색 테두리 for sx in (-1, 1): xs = sx * (BODY_W / 2 + 0.0007) win = [(-0.040, 0.050), (0.120, 0.050), (0.120, 0.125), (-0.040, 0.125)] yz_profile('Side_Window_' + ('L' if sx < 0 else 'R'), win, 0.0014, GLASS, x=xs) fr = Parts('Side_Window_Trim_' + ('L' if sx < 0 else 'R'), GOLD) xf = sx * (BODY_W / 2 + 0.0016) for (y0, z0), (y1, z1) in zip(win, win[1:] + win[:1]): fr.rod((xf, y0, z0), (xf, y1, z1), 0.0012, seg=6) fr.done() # 앞면 경사판의 금색 장식선과 가운데 상표판 자리 front_gold = Parts('Front_Gold_Decal', GOLD) slope = math.atan2(0.136 - 0.104, -0.090 + 0.108) # 경사판 기울기 nrm = Vector((0, -math.sin(slope), math.cos(slope))) for t in (0.18, 0.82): c = Vector((0, -0.108 + 0.018 * t, 0.104 + 0.032 * t)) + nrm * 0.0007 front_gold.box(c, (0.25, 0.0012, 0.0015), (math.pi / 2 + slope, 0, 0)) cen = Vector((0, -0.099, 0.120)) + nrm * 0.0008 front_gold.cyl(cen, 0.008, 0.0012, (slope, 0, 0), seg=32) front_gold.done() # 뒷면 메인스프링 드럼(캐리지를 당기는 태엽통) drum = Parts('Mainspring_Drum', ENAMEL) drum.cyl((-0.100, 0.1535, 0.090), 0.030, 0.008, (math.pi / 2, 0, 0), seg=40) drum.cyl((-0.100, 0.1590, 0.090), 0.006, 0.004, (math.pi / 2, 0, 0), seg=16) drum.done(True) # 여백 조절 막대(캐리지 뒤 위)와 여백 멈추개, 용지 해제 레버, 줄 간격 래칫 mr = Parts('Margin_Rack', CHROME) mr.box((0, 0.136, 0.176), (0.36, 0.006, 0.010)) for mx in (-0.11, 0.12): mr.box((mx, 0.136, 0.184), (0.010, 0.010, 0.008)) mr.rod((0.172, 0.105, 0.208), (0.170, 0.128, 0.240), 0.0022) # 용지 해제 레버(오른쪽) mr.box((0.170, 0.130, 0.243), (0.006, 0.012, 0.006)) mr.cyl((-0.1775, PY, PZ), 0.014, 0.003, (0, math.pi / 2, 0), seg=30) # 줄 간격 래칫 휠 mr.done(True)