This quick lock shoes laces buckle is very easy to print and to use,this one is printed with Tristarbot M1 3d printer,ABS,Nozzle 240 degree celsius ,hotbed 105 degree celsius ,you can order the Tristarbot M1 now on amazon https://www.amazon.com/TRISTARBOT-Printer-M1-Flexible-Filament/dp/B06XFLZN8N/ref=sr_1_1?m=A2X9LSXLK64D5N&s=merchant-items&ie=UTF8&qid=1489636919&sr=1-1&keywords=3d+printer