Vacuum holder practically tested to hold more than 900 times it's weight. Here is a Youtube video link showing time-lapse and it's outstanding performance. https://www.youtube.com/shorts/nLhQa2pUIHI hook material strength: PC > ASA > ABS > PETG > PLA.

This cute little Ender 3 V3 KE bookmark is a print in place model, the filament pointer of it can easily flow forward and can be rolled back, the snap fit extruder can be moved sideways, there is also a discount of 50% for a limited time. Model link: https://www.crealitycloud.com/model-detail/651179f91aa08ca8ccee9198?source=27&isFree=false Thank you, Have a nice day.