How to Fit a Spring Steel Sheet to Your 3d Printer!

About: I'm a 17 year old car nut with a love for all things 3D printing and arduino!

Hello all!

Are you tired of waiting for your print to cool?

Tired of trying to get your print off your excess application of glue stick?

Sick of buying replacement magnetic sheets for your ender3?

Don't you just wish you had an Original Prusa i3 with its powder-coated PEI spring steel sheet, with its effortless and time-saving print removal? (This is starting to sound like a TV ad isn't int! All we need is a buy 2 get 3 free deal!)

Well, now you can buy these clone PEI powder-coated spring steel sheets from Banggood in all the popular sizes (220x220mm, 235x235mm, 254x241mm (Prusa i3), and 300x300mm), in black, gold and smooth (PEI sticker) versions.

It would be much appreciated if you use these affiliate links below when (if) you buy one, it doesn't cost you anything and it helps make it worth my while doing these things for everyone.

You can also read my review here.

Supplies:

Any one of these:

Powder-coated PEI variant:

220x220mm Magnetic Sticker B Surface with Black Double Texture PEI Powder Steel Plate for 3D Printer

235x235mm Magnetic Sticker B Surface with Black Double Texture PEI Powder Steel Plate for 3D Printer

Cloned 253.8*241mm Double-Sided Textured PEI Powder Coated Spring Steel Sheet For Prusa i3 MK3 MK2.5 3D Printer

300x300mm Magnetic Sticker B Surface with Black Double Texture PEI Powder Steel Plate for CR-10/10S 3D Printer

PEI sticker variant:

220*220mm Heated Bed Platform Hot Bed Steel Plate with B Side Magnetic Sticker + PEI Sheet for Prusa i3 3D Printer

235*235mm Heated Bed Platform Hot Bed Steel Plate with B Side Magnetic Sticker + PEI Sheet for 3D Printer

MK52 Hot Bed Iron Plate 253.8*241mm with 2pcs Adhesive PEI for 3D Printer

300*300mm Heated Bed Platform Hot Bed Steel Plate with B Side Magnetic Sticker + PEI Sheet for 3D Printer

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Step 1: Fitting the Magnetic Sticker

While you can buy these sheets with six 20mm rare earth magnets, I prefer to use the ones with the magnetic sticker, it is plenty strong enough to hold the steel plate and resist knocks with the print head, is much easier to fit (The round magnets require the removal of the heated bed), and doesn't mess with inductive and capacitive auto bed levelling probes.

Also in my testing, it doesn't seem to lose its magnetism over time like the creality easy-peelzy style magnetic sheets (Where the actual sheet itself is magnetic).

So, how do you fit it? First, you will need to thoroughly clean the heated bed, or if you are using an older style FR4 PCB heater you will need to stick the magnetic sheet to a piece of glass.

Simply peel back the protective paper along the back edge of the magnetic sheet (about a quarter of the way should do), then very carefully (Don't stick it down yet) align the back edge of the magnetic sheet with the back edge of the heated bed.

Make sure that the edges are aligned as closely as possible as this will determine how straight the sticker is compared to the heated bed.

Then, while slowly pulling out the protective paper, press the magnetic sheet into the heated bed, working from side to side to get an even "stick".

Trim any unnecessary overhangs with a pair of flush cutters or a craft knife, And you're done!

Now you can print quicker and easier than ever before, and all from just 30 US dollars... =)

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