Door Opener Advance

thingiverse

Advance your contactless door opening to the next level! Designed to minimize contact with contaminated surfaces during the SARS-CoV-2 pandemic. This is the advanced version of the simple door opener (thing 4285440) with an integrated cover for the hook part to avoid touching the contaminated area while carrying. [Door Opener Simple](https://www.thingiverse.com/thing:4285440) It uses a folding design similar to a pocket knife: * Locking when open - enables use of the tip to push objects * Retention when closed - avoids contamination while carrying Uses hardware from typical 3d printing supplies like cylinder/cap head screws, bed level adjustment springs. --- **Update!** Upgrade parts compatible with the base model are now available. [DO Advance - Upgrade Parts](https://www.thingiverse.com/thing:4296582) **Compatible designs and remixes by other people** [Printed Screw/Dowel](https://www.thingiverse.com/thing:4348610) by frogydiak. [Touchscreen Addon](https://www.thingiverse.com/thing:4386163) by jmpierson. [Less Hardware Remix](https://www.thingiverse.com/thing:4391534) by eram. --- **Hardware needed** * 2x M5x12 cap head srew OR 1x dome head + 1x cap head (alternative top cover provided) * 4x M3x10 cap head to keep everything together * 1x M3x8 as a thumb knob * 2x M5 nuts either 3d printed (model provided) or metal * 4x M3 nuts (optional, alternative bottom cover provided) * 1x compression spring 5mm (from ball point pen or 3d printer bed leveling spring) **Design Requirements** Contactless operation of * Door handles * Faucets * Light switches * Smaller handles on cabinets etc. **Design** * Main hook with 2.5cm diameter for pullig large handles * Pointed tip at the end of the hook for pulling small handles * Angle cutout at the tip for pushing small objects * Angle between hook and handle for pushing larger/heavier objects **Minimum print recommendation** Printed in PETG: 0.4mm nozzle, 0.2mm layer height 3 Perimeters 4 Top/Bottom solid layers (rectilinear) 40% infill (stars) **Demo Video see below**