Update of 02/06/2019
MAJOR UPDATE
X Tensioner for CR-10 / CR-10S
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, but not strictly necessary)
Screw --> Print Horizontally, lying on the flat face
Knob --> Print in Vertical (No supports Required)
Hardware Requirement :
For the OEM Version :
1 Screw M8x25
2 Bearings F688Z
1 Screw M4x8 (Button Head) + Adapter, Or The OEM M8 screw
1 T-Nut M4
NOTE : The OEM screw version has been prepared due to some users request, but I did not recommend to use it due to possible weakness problems.!
For the GT2 Version :
1 GT2 Pulley 20T
1 Screw M3/M4/M5 x20 (according the Pulley bearings)
1 Screw M4x12 (Button Head)
1 T-Nut M4
Fixing system :
1…

Just a Remix of the Tensioners designed for my Cr-10, as requested by the user TallDonkey on the original Y Axis Tensioner page.
Update of 29/06/2019
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…