Grab Toy Infinite

thingiverse

Grab Toy Infinite ================ Introduction: ------------- A variation of the Grab Toy ++ where the number of expansion frames is a parameter; this way you can make the thing as large as you want. I guess there's a limit to how large you can make it before hinge friction and mass of the thing prevent proper opening and closing, but I have no idea what that limit may be. Also, depending on the material, a huge thing might snap under its own weight! The PLA print in the photos is 6 frames long, which still kind of works although the grip at the jaw end isn't very strong. Please note that the STL file with the 10-frame GrabToy has only been included to show the OpenSCAD code can generate things as large as you want. I haven't printed it, so I don't know if it will function properly. In fact, having seen the 6-frames print, I very much doubt the 10-frame version will be able to fully close the jaws. In any case, if you do print it, please let me know how it went! Main Routine: -------------- **GrabToyInfinite(N):** generates a grab toy with N expansion frames. The corresponding number of hinges is 3*N+1. Set global variable N to your desired value and press F6 to render. Keep in mind that more frames means longer rendering time. Some indications: for N=10, it takes about 12 minutes for my old i7-920 to render the thing at moderate quality and 42 minutes at high quality; for N=6, it takes about 26 minutes at high quality. Enjoy! ***Update 22/03/2018:*** [EviGL](https://www.thingiverse.com/EviGL) managed to print the 10-frame version and it actually works! So I thought, well, I guess now it's time to render a 15-frame version? It took about 1 hour and 10 minutes for OpenSCAD to generate the STL!