Thingiverse
Whistle, ruler, screw-pencase
by dddprint
197
Downloads
213
Likes
5
Makes
1: Screw-pencilcase
2: Ruler 6 inches with Roman numbers
3: Topper with a whistle. Tunable! The deeper you put your pencil, the higher tone.
2: Ruler 6 inches with Roman numbers
3: Topper with a whistle. Tunable! The deeper you put your pencil, the higher tone.
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