Drag to walk around the tree · scroll to come closer · right-drag to slide the viewClick a branch to cut it back to its joint. Dead twigs drop on their own.Click a shoot tip to stop it lengthening. The buds behind it wake instead.Drag from a branch toward where it should point. Click a wired branch to take its wire off.Choose a piece, then click the soil or a stone. With Turn, click a placed piece to pick it up.Placing a stoneR roll anotherQ E spinW S tipA D leanEsc stopDrag the sun around the dial. Drag a screen to move it around the tree.Screen
The CC BY-SA files are included unchanged. The pieces come from qin handbooks of 1425 to 1876 (public domain).
Textures
Material Maker “Arizona Sandstone” and rock maps (CC0); Poly Haven pine bark and “Farm Soil” by Amal Kumar (CC0)
Tool icons
Poly Haven models (CC0), rendered in ink
Lettering
Painted in Expresii over the skeletons of EMS Readability (SIL Open Font License) and, for the Chinese characters, the stroke medians of Make Me a Hanzi (Arphic Public License)
3D
three.js (MIT)
Growth
Space colonisation (Runions et al. 2007), shadow-grid light (Palubicki et al. 2009), pipe model (Shinozaki et al. 1964)