Is there a weak glue that will come apart easily?

[Jim Matthews]

Similar to double sided carpet tape: with a thinner paper substrate :


https://taytools.com/collections/sup...dium=affiliate

[Tom Bender]

How about a design change?

Make the front axle pivot just a little so it will sit on all wheels even on a slightly warped surface.

Nice work.

[Rob Luter]

I use double back tape. It's really no more than a layer of adhesive between two strips of release paper. It's so thin it does a great job of approximating a glue line. It holds pretty solid but a quick twist and the bond breaks free. Cut it to whatever size and shape you want. Seems to me it's 3M brand.

[Curt Harms]

Similar to double sided carpet tape: with a thinner paper substrate :


https://taytools.com/collections/sup...dium=affiliate

That looks a lot like what I call "turner's tape" Very strong in shear, not so strong in tension so parts can be separated pretty easily.