Thingiverse
Expanding pipe mandrel (configurable)
by Dmytry
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This device expands inside a pipe, providing support from inside the pipe and allowing you to "zip" a sheet metal pipe back up, cut a sheet metal pipe without the risk of "unzipping" it, cut holes in it etc.
The STL is for 10cm pipe, with tool expansion ranging from 9cm to 11cm, using a 6cm bolt with ~8mm diameter.
The STL is for 10cm pipe, with tool expansion ranging from 9cm to 11cm, using a 6cm bolt with ~8mm diameter.
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