Mongolia · Wood Carving / Architectural Craft

Ger Crown Wheel Carving (Toono)

тооно (Toono)

The toono (тооно) is the carved circular crown wheel at the apex of a Mongolian ger — the only carved wooden element in the entire structure, and the most symbolically loaded: it is simultaneously the smoke hole, the skylight, the compass (the shadow of the toono's rim tracks time across the ger floor), and the cosmological center (the toono faces the sky — the eternal blue sky, Tengri). The toono is a wheel with a specific number of spokes (typically 88 or 108 — the Buddhist sacred numbers) and a precisely circular rim into which the uni roof poles socket. The circular rim must be perfectly round — any deviation causes the uni poles to fit unevenly, producing a ger that leans. The roundness is assessed by rolling the toono along a flat surface: a perfectly round toono rolls without wobble.

Risk level: Critically Endangered · Component of UNESCO Mongolian Ger inscription (2013)

Alternate Names
Toono; ger crown; smoke hole wheel; ger skylight
Geographic Center
Ulaanbaatar; also Arkhangai, Övörkhangai provinces — traditional woodworking centers
Community / Ethnic Group
Mongolian people — specialist toono carvers within herder communities
Estimated Origin
Ancient Mongolian tradition; toono form unchanged for centuries; 88 and 108 spoke counts from Buddhist influence (likely post-12th century CE)
Cultural Function
Structural apex of ger; smoke hole and ventilation; natural compass (shadow tracks time); cosmological center — the eye through which Tengri (sky deity) looks down; most sacred component of ger
Primary Materials
Elm (Ulmus sp.) or other dense hardwood — must resist splitting under spoke tension; traditional: wild elm from Khentii or Khangai mountain forests
Primary Tools
Adze for rough shaping; plane for rim roundness; steam-bending frame; spoke tenon chisel
Process Overview
Elm selection and grain assessment -> rim section steam-bending -> arc joins to complete circle -> progressive rim planing -> rolling roundness test -> spoke count (88 or 108) -> spoke tenoning and socket cutting -> spoke insertion and depth test -> blue paint application
Traditional Applications
Ger crown — structural, cosmological, and functional
Contemporary Applications
Tourism ger; urban ger district; cultural symbol; collector craft
Notable Practitioners
Toono specialist carvers — Arkhangai and Övörkhangai provinces; fewer than 50 nationally; Mongolian National Handicrafts Association certified masters
Key References
Waugh, D. (2010). The Ger: Traditional Mongolian Dwelling; UNESCO ICH nomination file — Mongolian Ger (2013); Kara, G. (2005). Books of the Mongolian Nomads. Indiana University
Verification Status
Verified

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