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Overhang test for RepRap/RapMan/RepStrap

Created by
arhimed
Created on Oct 24, 2009

The simple object to test the maximum overhang 3D printer can deal with. The angles are, top to bottom:

90°
80°
90°
70°
90°
60°
90°

180°

90°
55°
90°
50°
90°
45°
90°
40°
90°
35°
90°
30°
90°

In short, the bottom part is 80,70,60 that should work on every machine and the top part is 55-30 in 5° steps so you can then find what overhead angles you can "live with", what the "good" ones are and what angles are unprintable.

EDIT:
I have now added also a test_overhang_flat.stl after imho valid comment that overhang on the round and flat surface is not same, so here's the one to test the flat overhang.

One side (right) is 60, 55, 50, 45° (with 90° in between) and other side (left) is 40,35,30,25,20° (with 90° in between).

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test overhang1.stl

2 mb / 329 downloads / 2 years ago

overhang test.gts

496 kb / 320 downloads / 2 years ago

test overhang top.stl

764 kb / 306 downloads / 2 years ago

test overhang f...stl

6 kb / 301 downloads / 2 years ago

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Print the object - without support

There is also stl with only "TOP" part that is problematic so with overhang below 60° if you do not want to print the whole object as you know machine will work ok with up to 60°.

Required Tools

3D Printer

Overhang test for RepRap/RapMan/RepStrap

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