A1 Body Stabilizing Bracket with Damper Box

Many official Bambu Lab models are on the international site, hard to comment on. To try out the damping effect, I specifically ported a secondary creation

A negative part was added, which barely affects the bracket's strength

Each side of the box can hold approximately 200 grams of iron sand. The diameter is recommended not to exceed 3MM, otherwise vibrations might not be absorbed. You can also adjust the ratio. I used 130g of 3mm plus approximately 50g of 8mm

Important: do not fill it completely, keep it within approximately 2/3; cheap iron sand is not stainless steel, and stainless steel is extremely expensive. I sprayed a little WD40, not too much, it might leak

As for the effect, I feel there is some. However, during the entire process, I replaced the silicate insulation pads, performed major maintenance on the machine's three axes, replaced the base plate with a 1.5CM OSB board, and used the bracket body itself, so the specific contribution of the damping box is hard to judge, but theoretically, some vibrations were absorbed

Please double-check the configuration; also double-check the model, cloned and mirrored models might have errors (don't ask me how I know that)

For the full plate bracket, PLA printing is still recommended, unless it's a single item on a single plate, then you can try. For other accessories, PETG is recommended

Screws: the gantry uses the four screws from the fixing block included with the new machine unboxing; for the 8 screws used in the clamps, I don't know their size, M3*14 doesn't tighten them enough, they are probably non-standard screws (from the AMS fixing block). Those with the capability can reduce the screw holes slightly to fit M3, or enlarge them slightly for heat-set inserts