For my RatRig V-Core 3 350
https://www.printables.com/model/375669-ratrig-v-core-3-350
made templates for sawing into ⅓ span length of the 472mm x-gantry (aka 157.33mm) 2020 extrusion or 2020 tubes with either 2mm or 3mm wall thickness with 50/50 straight/angled.
For when you need to use a hand/hacksaw…
Side effect: 100 grams extrusion + bolts & t-nuts weight difference
The author marked this model as their own original creation.