@denniswave Thanks for the shared research into this! for everyone else looking to get some dimensions and rotating the final sketch I just played around a little bit today. I have not used SpriteKit before so was just messing around and my results are below. To rotate: self.position needs to be rotated by the largest surface (or any surface really) euler angle y in the negative direction. Then each self.z rotation needs to compensate for this by adding the same surfaces euler y angle as well. this is because we are subtracting the y angle. So if we want the surface we select to be horizontal we need to subtract it back out. Do this for all z rotations. code attached below. Code

Same issue here, I need to generate an in app purchase key.