Ender 3 Mod - Y Axis Tensioner

Just a Remix of the Tensioners designed for my Cr-10, as requested by the user <b>TallDonkey</b> on the original Y Axis Tensioner page.

<font color="red"><b>Update of 29/06/2019</b></font>

MAJOR UPDATE!

Y Tensioner for Ender 3

Mk7 Version

Upgraded the guide system and simplified all the models
Unified the screws dimensions (with my other tensioner versions)
Modified the minimum belt tensioning position (for short belts)
Slightly increased the tolerances compared to previous models
Added a New Shaped Knob, more "fancy" than the previous version.

Printing Tips :

Body --> Print in Vertical (better with supports)
Screw --> Print Horizontally, lying on the flat face
Knob --> Print in Vertical (No supports Required)

Hardware Requirement :

For the F688Z Bearings Version (OEM?):

1 Screw M4x20 (Button Head) --> Need use adapter
Or - 1 Screw M8x20 (Button Head)
2 Bearings F688Z
2 Screw M4x8 (Button Head)
2 T-Nut M4

For the F624Z Bearings Version :

1 Screw M4x20 (Button Head)
2 Bearings F624Z
2 Screw M4x8 (Button Head)
2 T-Nut M4

For the GT2 Version :

1 GT2 Pulley 20T
1 Screw M3/M4/M5 x20 (according the Pulley bearings)
2 Screw M4x12 (Button Head)
2 T-Nut M4

Fixing system :

- 2 screws M4x8
- 2 t-nut M4

The models are designed for the material stated below.

Note :

I didn't print personally this version, but fittings and tolerances are the same for all my models, so, I am sure they fit together correctly!

If you…