Hygienic door opener and button pusher
thingiverse
I designed this keychain holder to be substantial yet compact enough for most door handles. To simplify installation, a recess is built around the keyring hole. There's an option without any branding for those who prefer it that way, as well as a version with brand identification if you don't mind representing our logo. For optimal durability, use a generous amount of infill (more than 30%) to create a robust hook. I've already seen two instances where the infill was less than 25%, and they broke during use. For this model, it's best to err on the side of caution and prioritize sturdiness, as some doors - particularly those found in gates or apartment buildings - can be extremely heavy. This design also works perfectly well for lift buttons and doorbells.
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