P3Steel - Prusa i3 3mm Steel Laser cut (aka Leonardo)
thingiverse
A redesign of Josef Prusa i3 printer was carried out after attending a local Maker show in Zaragoza, Spain. The designer liked the Prusa i3 single plate design but found twelvepros to be a better option. Although inspired by S. Graber's Graber i3 redesign, this particular printer is made of 3mm laser cut steel for sturdiness and because it was available at work. Pros include cost-effective steel and easier laser cutting compared to aluminium. However, steel is heavier than aluminium. The design is specifically for 3mm thickness steel with carvings to reduce weight. Steel square holes and tabs have rounded corners to accommodate parts and ensure a good fit between plates without the need for threading. Over 50 people in Spain have built this printer, leading to the creation of a bilingual English-Spanish wiki with helpful info on building the P3Steel model. The printer uses 8mm chromed smooth rods and requires printed parts from a standard Prusa i3 for x-axis assembly and extruder. It features NEMA 17 motors, GT2 pulleys, LM8UU and 608zz bearings, BUDAS type hotend, and MK2b hotbed.
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