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Marble run from toilet paper rolls

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A1 mini
X1 Carbon
H2D
P2S
H2S
H2C
A1
X1E
P1P
X1
H2D Pro
P1S
X2D
A2L

60 Degree Connector
60 Degree Connector
Designer
40 min
1 plate
5.0(1)

All elements individually on a single plate
All elements individually on a single plate
Designer
4.2 h
7 plates
5.0(1)

0.2mm layer, 2 walls, 15% infill
0.2mm layer, 2 walls, 15% infill
Designer
40 min
1 plate

Straight Connector
Straight Connector
Designer
37 min
1 plate
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Open in Bambu Studio
Boost
13
39
2
0
20
14
Released 

Description

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Our grandchildren love to build a kind of pipeline from toilet paper or kitchen roll cardboard tubes, through which they then let marbles or other balls run. Previously, the parts were glued together with crepe paper. Now, as a grandpa, I have designed and 3D printed connectors, which naturally allow various marble runs to be built much faster, nicer, and very cheaply.

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