Could be helpful to see approx belt length displayed on the simulator, along with a warning if dimensions are too long for the belt lengths included in the kit.
Thanks for sharing, am trying to figure out recommended dimensions for my setup too. Will post my overall dimension questions in my build topic since O.P. here seems to be curious about height of anchor mount risers.
Am guessing as long as the belts clear the antislip+spoil+stock height high enough to not snag belt on the edges, then, they’re high enough.
Am expecting people keep anchor mounts as low as possible to the slab. Am guessing low anchors with delta in Z height of belts from anchor height to arm height will contribute to less overall inaccuracy, than, inaccuracy contributed by taller anchors (that may pivot/move if not rock solid…) matching the arm heights to minimize belt’s Z delta.
In other words… if you can’t make and fasten rock solid anchor mounts matching height of the belt arms, then, make anchor mounts as low as possible that still clear top of stock height (accounting for belt sag over longest distance).
Someone must have numbers/opinions on this, this is the internet after all 
?
EDIT: I just read 1st post again, “Anchor point measurements for accurate cutting on 4x8 sheet”. Neat, am curious about best practice recommended dimensions too. So… I looked at…
- Building the Frame — Maslow
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Attaching to the Floor — Maslow
- “roughly rectangular shape 8’x12’ (2.5 x 3.5m).”
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Shows wood frame design 8’ x 10’ (2438.4 x 3048)
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“If you have room you can use 12’ 2x4s to get even better performance”
- 8’ x 12’ (2438 x 3657)
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- Can’t see recommended dimensions, so am ASSuming wood frame dimensions would be used.
Am still curious, for garage slab setup, needing 10’+ anchor width spacing to allow car to clear (since garage door is 9’ wide). What’s the recommended spacing for holes (I only want to drill once ), given the kit’s belt lengths, and given the balance of belt force/accuracy and minimal overall slop/inaccuracy we’re striving for?