BTT decided to create a "Speck" challenge to relax people and help those in need. This activity does not limit the brand, any 3D printing users can participate.
Participants need to print with the STL given by BTT then take a video to upload to the group and mark with #speckchallenge. (BIGTREETECH or BIQU 3D Printer User Group )
Each time a participant completes the challenge, BTT will raise a KN95 mask. Thank you for your support and contribution.