R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）
Co-Authored-By: Claude Opus 5.5 <[email protected]>
这个提交包含在：
zhou yang
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# -*- coding: utf-8 -*-
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u"""刀片板 **1:1 打印稿**（A4 竖版 PDF + 600 dpi PNG），拿去和小米8 主板比孔位 / 侧键 / 排线槽。
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/c/Python314/python .claude/r2/print_blade.py # 出 .claude/r2/print/blade_1to1.pdf / .png
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- 数据全用**板上读回**：线 / 孔 / 元件 = 最终整板快照 `_blade_board_rot180_final_0911.json`，
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焊盘 = `_blade_pads.json`（下发后 --dump 的），板框 / 孔 / 槽 = `pcb_blade`（和板上折线同源）。
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- 上半张 **A 面**（手机那一面，正看）：板框 + 缺口、七个孔、两条槽、手机投影、K1~K4、金手指 B 排、A 面走线（淡）。
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- 下半张 **B 面**（**从背面看、左右镜像**，和翻过来的实物一致）：元件本体 + 位号、焊盘、B 面走线（淡）。
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- 两根标尺（横 80 mm / 竖 50 mm）：打出来量，不是 80.0 / 50.0 就是打印缩放了。
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⚠ 打印一律「实际大小 / 100% / 不缩放」。
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"""
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import io
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import json
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import math
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import os
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import sys
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sys.stdout.reconfigure(encoding='utf-8')
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HERE = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, os.path.dirname(HERE))
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sys.path.insert(0, HERE)
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import matplotlib # noqa: E402
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matplotlib.use('Agg')
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import matplotlib.pyplot as plt # noqa: E402
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from matplotlib.patches import Rectangle, Circle, Polygon # noqa: E402
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import pcb_blade as B # noqa: E402
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import pcb_place as PL # noqa: E402
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plt.rcParams['font.sans-serif'] = ['Microsoft YaHei', 'SimHei', 'DejaVu Sans']
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plt.rcParams['axes.unicode_minus'] = False
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MIL = 1 / 0.0254
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OUT = os.path.join(HERE, 'print')
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SNAP = os.path.join(HERE, '_blade_board_rot180_final_0911.json')
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A4 = (210.0, 297.0) # mm
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MM = 1 / 25.4 # mm → inch
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snap = json.load(io.open(SNAP, encoding='utf-8'))
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pads = json.load(io.open(os.path.join(HERE, '_blade_pads.json'), encoding='utf-8'))
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comps = {c[0]: (c[1] / MIL, c[2] / MIL, c[3], c[4]) for c in snap['comps']}
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sz = PL.sizes()
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def board_axes(fig, x0, y0, mirror=False):
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u"""在页面 (x0, y0)（mm，左下角）放一块 1:1 的板子坐标系：1 个数据单位 = 1 mm 纸。"""
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pad = 1.0
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w, h = B.BW + 2 * pad, B.BH + 2 * pad
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ax = fig.add_axes([x0 / A4[0], y0 / A4[1], w / A4[0], h / A4[1]])
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if mirror:
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ax.set_xlim(B.BW + pad, -pad) # 从背面看：左右镜像
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else:
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ax.set_xlim(-pad, B.BW + pad)
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ax.set_ylim(-pad, B.BH + pad)
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ax.set_aspect('equal')
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ax.axis('off')
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return ax
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def outline(ax):
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pts = B.outline_polygon()
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ax.add_patch(Polygon(pts, closed=True, fill=False, ec='k', lw=0.6))
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for (a, b, c, d) in B.mill_cuts():
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ax.add_patch(Rectangle((a, b), c - a, d - b, fc='0.75', ec='k', lw=0.4, hatch='///'))
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for hn, (hx, hy) in B.phone_holes().items():
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ax.add_patch(Circle((hx, hy), B.HOLE_D / 2, fc='k'))
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ax.add_patch(Circle((hx, hy), 1.6, fill=False, ec='k', lw=0.3, ls=':')) # M1.6 螺钉头 Ø3.2
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ax.text(hx + 2.0, hy + 1.2, hn, fontsize=5)
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# 十字线，方便对孔
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ax.plot([hx - 1.5, hx + 1.5], [hy, hy], 'w', lw=0.25)
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ax.plot([hx, hx], [hy - 1.5, hy + 1.5], 'w', lw=0.25)
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def tracks(ax, layer, col):
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for l in snap['lines']:
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if l[0] == layer:
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ax.plot([l[1] / MIL, l[3] / MIL], [l[2] / MIL, l[4] / MIL], color=col,
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lw=max(l[5] / MIL * 2.83, 0.2), alpha=0.35, solid_capstyle='round')
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for v in snap['vias']:
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ax.add_patch(Circle((v[0] / MIL, v[1] / MIL), (v[3] or 0.6 * MIL) / MIL / 2, fc='0.55', ec='none'))
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def pads_on(ax, layer):
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for p in pads:
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if p[6] != layer:
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continue
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ref, pin, x, y, w, h = p[:6]
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col = '#b8860b' if ref == 'J1' else ('#808080' if p[7] == 'GND' else '#2e7d32')
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ax.add_patch(Rectangle((x - w / 2, y - h / 2), w, h, fc=col, ec='none', alpha=0.85))
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def bodies(ax, side):
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for ref, (x, y, rot, lay) in comps.items():
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if ref == 'J1' or ref not in sz:
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continue
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if (lay == 2) != (side == 'B'):
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continue
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w, h = PL.wh(ref, int(rot) % 360, sz)
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ax.add_patch(Rectangle((x - w / 2, y - h / 2), w, h, fill=False, ec='#1a3fa0', lw=0.35))
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ax.text(x, y, ref, fontsize=3.2 if w * h < 6 else 4.5, ha='center', va='center', color='#1a3fa0')
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def ruler(fig, x0, y0, length, vertical=False):
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ax = fig.add_axes([0, 0, 1, 1], facecolor='none')
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ax.set_xlim(0, A4[0])
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ax.set_ylim(0, A4[1])
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ax.axis('off')
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if vertical:
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ax.plot([x0, x0], [y0, y0 + length], 'k', lw=0.6)
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for k in range(0, int(length) + 1):
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t = 2.0 if k % 10 == 0 else (1.2 if k % 5 == 0 else 0.6)
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ax.plot([x0, x0 + t], [y0 + k, y0 + k], 'k', lw=0.25)
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ax.text(x0 + 3, y0 + length / 2, u'%d mm' % length, fontsize=6, rotation=90, va='center')
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else:
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ax.plot([x0, x0 + length], [y0, y0], 'k', lw=0.6)
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for k in range(0, int(length) + 1):
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t = 2.0 if k % 10 == 0 else (1.2 if k % 5 == 0 else 0.6)
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ax.plot([x0 + k, x0 + k], [y0, y0 + t], 'k', lw=0.25)
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ax.text(x0 + length / 2, y0 - 3.5, u'%d mm（打出来量这根，应为 %.1f）' % (length, length),
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fontsize=6, ha='center')
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return ax
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def main():
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os.makedirs(OUT, exist_ok=True)
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fig = plt.figure(figsize=(A4[0] * MM, A4[1] * MM))
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# 整页坐标轴放文字
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txt = fig.add_axes([0, 0, 1, 1], facecolor='none')
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txt.set_xlim(0, A4[0])
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txt.set_ylim(0, A4[1])
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txt.axis('off')
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left = (A4[0] - B.BW) / 2.0
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ya, yb = 196.0, 88.0 # 两块板的下沿（mm）
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txt.text(A4[0] / 2, 287, u'PhoneRail 刀片 90 × 68 · 1:1 打印稿（2026-09-11，主板转 180° 版）',
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fontsize=9, ha='center', weight='bold')
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txt.text(A4[0] / 2, 281, u'打印选「实际大小 / 100% / 不缩放」。先量下方标尺：横 80.0 mm、竖 50.0 mm，不对就是缩放了。',
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fontsize=6.5, ha='center')
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txt.text(left, ya + B.BH + 4, u'A 面（手机那一面，正看）：板框 / 缺口 / 七个定位孔 Ø1.8（虚线圈 = 螺钉头 Ø3.2）/ 两条排线槽 / 手机投影（虚线）/ K1~K4',
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fontsize=5.5)
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txt.text(left, yb + B.BH + 4, u'B 面（器件面，从背面看、左右镜像 —— 和把板子翻过来看到的一致）',
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fontsize=5.5)
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# ── A 面 ──
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ax = board_axes(fig, left - 1.0, ya - 1.0)
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outline(ax)
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px0, py0 = B.PHONE_ORG
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ax.add_patch(Rectangle((px0, py0), B.PHONE_WH[0], B.PHONE_WH[1], fill=False, ec='#c62828', lw=0.5, ls='--'))
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ax.text(px0 + 1, py0 + B.PHONE_WH[1] - 3, u'小米8 主板投影（接口边朝上）', fontsize=5, color='#c62828')
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tracks(ax, 1, '#d32f2f')
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pads_on(ax, 1)
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for ref in ('K1', 'K2', 'K3', 'K4'):
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x, y = comps[ref][:2]
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ax.text(x + 1.3, y, ref, fontsize=4, color='#c62828', va='center')
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ax.text(45, -0.2, 'J1', fontsize=5, ha='center', va='top')
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# ── B 面（镜像）──
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bx = board_axes(fig, left - 1.0, yb - 1.0, mirror=True)
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outline(bx)
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tracks(bx, 2, '#1565c0')
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pads_on(bx, 2)
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bodies(bx, 'B')
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ruler(fig, left, 40.0, 80)
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ruler(fig, left - 8.0, 20.0, 50, vertical=True)
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txt.text(left + 20, 20, u'文件：.claude/r2/print/blade_1to1.pdf（print_blade.py 生成，数据 = 板上读回）', fontsize=5)
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pdf = os.path.join(OUT, 'blade_1to1.pdf')
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png = os.path.join(OUT, 'blade_1to1.png')
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fig.savefig(pdf) # ⚠ 不许 bbox_inches='tight'：那会裁页面、改比例
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fig.savefig(png, dpi=600)
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print(u'已出 %s / %s（A4 %.0f×%.0f mm，板子 1:1）' % (pdf, png, A4[0], A4[1]))
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if __name__ == '__main__':
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main()
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