Rachet with t-nut for 30 mm aluminium extrusion profiles

I wanted to mount some cables to my Prusa MINI's Z alu profile using something reusable - that's how this rachet was born.

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I wanted to mount some cables to my Prusa MINI's Z alu profile using something reusable - that's how this rachet was born.

The "T-nut ratchet for 30 mm alu extrusion profile.stl" contains a pocket for an M3 nut. You can fix it with a 15 mm M3 bolt.

I have iterated a simplier version with an M4 hole to use it with a proper T-nut.

Update #20200211 - new features:

t-nut turns only one way
ejector hole for the M3 nut
countersunk slot for the M3 bolt
more room for the hex key / screwdriver
extra teeth for tighter lock
smaller and 60° teeth for easier operation
left side of the rachet will not overhang on the 30x30 profile hence allows easier installation even if something is already installed on the side of the profile

Blogpost about the design process (sorry folks, Hungarian only): https://fns.pappito.com/2020/02/11/3d-nyomtatas-a-dagadt-csirke/

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claybson Flores added this to the ferramentas collection almost 2 years ago

Fraudrin68 added this to the Printable 80/20 extrusion components collection over 2 years ago

shags72 added this to the printer accessories collection over 2 years ago

arc7217 added this to the tools collection about 3 years ago

Gabor Penoff published this design about 3 years ago