a snow-themed skateboard by Tinkercad

Step 1:

Select a cuboid and modify it to a
previously selected size as part of the middle of the skateboard.

Select the round roof, rotate and modify the size, as the head of the skateboard.

Combine two objects

Step 2:

Select a cylinder, then select a hole
cylinder, the hole cylinder is slightly smaller, combine the two cylinders, and then combine the generated ring with two hole cubes as the tail of the skateboard.

Combined as shown

Step 3:

Select a cylinder, then select a hole
cylinder, the hole cylinder is slightly smaller, combine the two cylinders, and place a small cylinder in the middle of the product. Select the paraboloid, stretch it and press shift to zoom out, rotate it and put it into the above object, hold down shift and add alt to translate, then generate mirror image, select mirror and original paraboloid, hold alt and rotate 45° respectively, rotate one week. Combine the final product as a wheel, combine

Step 4:

Select a cylinder, then select a hole
cylinder, the hole cylinder is slightly smaller, combine the two cylinders, and place a small cylinder in the middle of the product. Select the paraboloid, stretch it and press shift to zoom out, rotate it and put it into the above object, hold down shift and add alt to translate, then generate mirror image, select mirror and original paraboloid, hold alt and rotate 45° respectively, rotate one week. Combine the final product as a wheel, combine

Place the wheel and connector in the proper
position. Hold the wheel down and shift alt to translate. Select the wheel plus connector plus the wheel, hold down shift and add alt to translate.