An easy to assemble 3d puzzle of a sleigh. No multimaterial system is necessary, adding pauses will get you the shown result.
 

Instructions:

Place the seat planks face down and make sure they are aligned correctly so the snowman design appears properly, push the transversal connector. It's recommended to install one plank at a time so you have an easier time

Insert the front plank with the snowman motif into the side skirts. Press firmly, but avoid using too much force, hold the plank close to the base for better control. A few light taps with the handle of a screwdriver may help.

Finally, insert the whole seating assembly into the frame.


It was printed with A1Mini and a mix of filaments, your results may vary. Dipping the stubborn part in hot water will make it fit, but if you do run into any issues let me know what printer you used in the comments so I can modify the design.