Bikeracer2020
Super Moderator

Try making the vertical height of your print a multiple of the layer height.

Just the free version with a limit of ten saved projects, a few features are disabled but it's adequate for my limited ability.

I don't know Tinkercad, but in Fusion 360 the spline tool puts nodes on.

You can scale the size up or down in the slicer before you print it. Max size will depend on printer build volume.

You need to download whatever slicer you want to use onto your PC. Import any files you want to print into the slicer which will convert them into...

The print time will depend largely on the size of the print. It's a large bed size on that printer, so presumably your proposed print takes...

Try a different file to see if it will load.

Search Youtube or Google for 3D belt printer, that will probably get you the answer.