Beautiful keychain to always have a screwdriver with you with a good grip and with holes to insert 8 screwdriver bits.

PRINT SETTING

• Nozzle Size: 0,4mm
• Layer Height: 0.3mm
• Vertical Shells: 2
• Top/Bottom Layer: 3
• Infill: 15%

Time print: 0,50 minutes

I leave below a link to buy the chain for the key ring

[https://www.amazon.it/gp/product/B00UFCLAI4/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1](https://www.amazon.it/gp/product/B00UFCLAI4/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1)

LIHAO 25pcs Portachiavi a Catena Split Ring in Acciaio Inox - Diametro:25mm [https://www.amazon.it/dp/B00UFCLAI4/ref=cm_sw_r_cp_api_glt_i_398NN8BSK23BZC37WT3B?_encoding=UTF8&psc=1](https://www.amazon.it/dp/B00UFCLAI4/ref=cm_sw_r_cp_api_glt_i_398NN8BSK23BZC37WT3B?_encoding=UTF8&psc=1)

Update: below you will find a link to download the update stl to get more grip on the handle

[https://www.prusaprinters.org/it/prints/87657-knurled-ring-for-bit-holder](https://www.prusaprinters.org/it/prints/87657-knurled-ring-for-bit-holder)