Spreader clamp features long clamping pads with anti-slip groove | Canadian Tire
参考用下面类似的bit:
https://www.amazon.ca/Freud-2-Inch-Double-Straight-12-130/dp/B0000225VX
把模版做出后那22块就是cookie cutter了。模版trace,jigsaw沿着线外先把多余的材料除去,再用pattern/flush trim bit 修齐。用有轴承的。如果是straight bit/spiral bit那还得用guide bushing再计算offset。Pattern/flush trim bit用的最多。Router最便宜实用的从轮胎店买,Mastercraft Maximum plunge/fixed。
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