|
Item |
Measured Size |
Target Internal Size |
Clearance/Notes |
|
Longest pencil |
175 mm |
185 mm |
+10 mm length for tolerance |
|
Pencil dia |
8 mm |
12 mm slot width |
+4 mm for easy insertion |
|
Box height |
— |
50 mm |
Comfortable reach-in height |
|
Wall thickness |
— |
2.5 mm |
Strength vs. material use |
|
Lid gap |
— |
0.7 mm |
Smooth slide without jamming |
Lesson 1: Why 3D Design Matters?
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Lesson 2: Meet BlocksCAD – Design with Code!
0/8
Lesson 3: Tinkercad Time – Easy 3D Tools
0/8
Lesson 4: Let’s Design to Help Someone
0/8
Lesson 5: Shape, Size, Function!
0/7
Lesson 6: Prepare It for 3D Printing
0/5