did-you-know: There’s a 3D-printed sundial that lets light through at the right angles to produce a digital clock shadow, which displays the current time in 20-minute increments from 10:00 until 16:00. Also, the necessary files can be downloaded from

did-you-know: There’s a 3D-printed sundial that lets light through at the right angles to produce a digital clock shadow, which displays the current time in 20-minute increments from 10:00 until 16:00. Also, the necessary files can be downloaded from

tags: Adjustments,

from: https://theadjustments.tumblr.com/post/641127288573952000