免支撐 - 口哨 (裁判可用) – 3D printable model from Thingiverse

Thingiverse

免支撐 - 口哨 (裁判可用)

by Maker181

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直接列印免開支撐

內有圓球，列印完記得拿筆或小刀推開

此哨音非常有交通指揮感

Sketchup 檔案可下載自行修改字體

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Thingiverse

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