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Right Angle Brace for V-Slot Bear Upgrade - Helper tool

38855411_10155712728386485_7316427976432680960_n.jpg Right Angle Brace for V-Slot Bear Upgrade - Helper tool
48c00d2338883ffaa1fb50fa9dd45007.png Right Angle Brace for V-Slot Bear Upgrade - Helper tool
IMG_20180811_101550.jpg Right Angle Brace for V-Slot Bear Upgrade - Helper tool
BearUpgrade_RightAngle_Helper.STL Right Angle Brace for V-Slot Bear Upgrade - Helper tool
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Creation quality: 5.0/5 (1 vote)
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  • 2.9k views
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  • BearUpgrade_RightAngle_Helper.STL

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3D model size X 121 × Y 121 × Z 20 mm
Publication date 2021-12-02 at 00:02
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Published to Thingiverse on: 2018-08-11 at 11:10
Design number 575333
jgrg_uk

jgrg_uk

3D printer file info

3D model description

I've just purchased the parts for a full Bear upgrade (https://www.thingiverse.com/thing:2808408) of my Prusa Mk2.5, and as usual, making sure the frame is exactly perpendicular is extremely tricky. So, I created this 90 degree right-angle brace for the V-slot.

The idea here is that you use M5 bolts (I only had 25mm bolts on-hand, so used a washer and a nut as spacers) and Tee-nuts to temporarily clamp the right-angle in place on the V-Slot aluminium extrusions, so you can then easily screw the 90 degree joining plates in place.

The X supports on the diagonal brace do restrict access to the slots closest to the apex of the corner, however, it is possible to use a long necked screw driver to screw the bolts in place. I didn't have a problem with it.

I made do with printing just one, but I can definitely see the advantage of printing and using two.

There's a little bit of juggling with Tee-nuts and making sure you don't leave any behind in inaccessible slots, but for the most part I was able to use the permanent ones in the base horizontal frame. I had to use two slot-in removable tee-nuts for the vertical frame.

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