My daughter wanted her birthday to be Sonic-themed, so I've made a little platform and loop from the first stage, modeling it in Sketchup and export to Unfolder

My daughter wanted her birthday to be Sonic-themed, so I've made a little platform and loop from the first stage, modeling it in Sketchup and export to Unfolder, it worked pretty well (but to add textures I've used Affinity Designer after exporting from Unfolder).