I changed only the screw holes on M2,5 with countersunk head. Countersink drill and I performed manually. Prusa i4 - this is not the printer as "dancing with a tambourine" Printer bought here - http://ali.pub/2z2r2v See Also: NOGA deburring tool and Blades - http://ali.pub/2z2ah5 Buy & save with CashBack - http://ali.pub/2v0znm Donate with PayPal ---> https://www.paypal.me/perinski Instagram ---> https://www.instagram.com/v.perinski/ Twitter ---> https://twitter.com/v_perinski Pinterest ---> https://www.pinterest.com/v_perinski/ Tingiverse ---> https://www.thingiverse.com/thing:2110500 Facebook ---> https://www.facebook.com/3DPrinting.stl/

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inlet, tools, 3d, hobby