Themosthighstrange@lemmy.world to Lemmy Shitpost@lemmy.world · 4 days agoThe cylinder must remain unharmedlemmy.worldimagemessage-square70linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1imageThe cylinder must remain unharmedlemmy.worldThemosthighstrange@lemmy.world to Lemmy Shitpost@lemmy.world · 4 days agomessage-square70linkfedilink
minus-squareIgnotum@lemmy.worldlinkfedilinkarrow-up0·4 days agoIf we ignore the handle, the torus with a surface opening can be deformed continuously into an 8 shape, the lip of the mug is not a hole, but you can go down the lip of the mug, around the tube in the middle, and back out, a fully enclosed path
If we ignore the handle, the torus with a surface opening can be deformed continuously into an 8 shape, the lip of the mug is not a hole, but you can go down the lip of the mug, around the tube in the middle, and back out, a fully enclosed path