
dfh.fm
Print Bed Magnetic Sheet
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Adhesive-backed magnetic base sheet for a 180 mm 3D printer bed. This is the magnet layer that bonds to the aluminum bed and holds a removable spring-steel build plate in place.
Why use this sheet
- 180 mm x 180 mm size for small-format beds, including Micron-class and other Printers for Ants builds using a 180 mm bed stack.
- High-temperature magnetic base for heated-bed use; the current supplier spec rates the magnet for use up to 140 °C.
- 3M 300LSE adhesive backing for bonding the magnet to a flat aluminum bed plate.
- Trim-to-fit magnetic sheet format for custom bed stacks and replacements.
Specifications
- Size: 180 mm x 180 mm
- Adhesive: 3M 300LSE high-strength acrylic adhesive backing
- Use: magnetic base layer for removable spring-steel/flex build plates
- Bed temperature note: supplier spec lists the magnet as good up to 140 °C
Fitment
Use this with a flat 180 mm aluminum bed, including the 180 mm variant of our Black Anodized Ultra-Flat Aluminum Bed. It is intended for small Voron/Micron-style and Printers for Ants bed stacks where a removable spring-steel plate is used.
Gotchas
- This is the magnetic base only; it is not a PEI sheet, spring-steel sheet, heater, thermistor, or aluminum bed.
- Install on a clean, flat, degreased bed surface and give the pressure-sensitive adhesive time to wet out/cure before heating hard.
- Check your actual build plate size before ordering; this listing is for 180 mm x 180 mm.
Shipping & Returns
Returns:
Thank you for purchasing from dfh.fm. I want you to be completely satisfied with your purchase. If for any reason you are not satisfied, you may return your purchase within 60 days of the original purchase date.
Defective items: Please inspect items upon receipt. If you receive a defective item, you may return it for a full refund or replacement within 90 days of the original purchase date. Please contact me to initiate a return for a defective item.
Non-defective items: If you are not satisfied with a non-defective item, you may return it for a refund within 30 days of the original purchase date. A 20% restocking fee will be deducted from the refund amount, to offset the time and inconvenience, as I am the sole employee processing the return and restocking the item. The fee also covers the costs associated with processing the return. Refunds for non-defective items will be issued through the original payment method.
Preordered items: Due to the nature of preorders, delivery dates are subject to change. Please keep in mind that, If you have preordered an item, it is not eligible for a refund until after it has arrived at the store. Once the item arrives at the store and is inspected, you may request a refund within 30 days of the original purchase date. Please note that refunds for preordered items may take up to 10 days to be issued.
To initiate a return, please open a ticket on the shop’s discord channel, with your order number and the reason for the return. We will provide you with further instructions on how to return your purchase.
Thank you for shopping with us. If you have any questions or concerns, please don't hesitate to contact me, via Discord.
Order alterations and cancellations:
Once an order has ben submitted, no alterations can be made. This includes adding or removing items or canceling orders. You are welcome to return an order, once you have taken receipt, following the returns procedure listed above.
Shipping:
US Shipping is via UPS or USPS. The way it is set up shows the least expensive options for standard, priority and express shipping. I can not take special requests for specific carriers at this time.
International shipping is mostly UPS, as I utilize Zonos/UPS integration to tally extremely accurate import and shipping costs.
I require a telephone and email with international orders and you must make yourself available to the carrier or your customs, should they require more information. If you are unreachable and the package is discarded or rerturned, I will not be responsible for rerturning your shipping cost.
If there is a problem with an international order, it is my choice to refund part or all of the order, or send a replacement.
Addresses are verified through Shopify, but the customer is still responsible for inputting their address in the correct format. Any returns or lost shipments, due to incorrectly addressed packages, are the responsibility of the customer.

