Origonally designed to keep mointain bikers off of private property.

I printed the base using TPU (brand shoudnt matter so long as it's flexible, use your favourite) and thw spikes I printed using creality PLA (although again any hard material that can hold a point should do the trick).

This shouldn't really need a lot of precision in printing just so long as the spikes can fit through the holes in the base, I do print the spikes with a brim but i think that's just me being overly cautious, all you need to do to assemble is push the spikes through the holes in the base so the little base plate on the spikes rests against the main base plate, then I just stick it in there with a good bit of super glue.

I might keep messing around with this to refine it a little more, like i kind of want to add a lip to the spikes so that they dont need glue and I'm tempted to alter the base to make it easier to stick multiple finished strips together but for right now this version does exactly what i need it to do.

If you plan on printing and using this model for it's intended purpose then PLEASE check your local laws first, where i live this is perfectly legal for use on private property, but ONLY where it is unlikely for someone to have a right of access, for example it would not be legal for me to set this up on my drivewy where people have to access in order to reach my door to ask for further access.

Hope people get some good use out of this like I intend to and please let me know how it goes if you do, especially if you have any issues, this is the first thing Ive ever modeled entirely on my own and I'd love to get some constructive criticism to help me improve.