bamboo wooden sticks demonstrating a reciprocal frame structure, on beige background

abstract backdrop assembly balance bamboo stick beige color background building carpentry ceiling construction craft model creative concept demonstration design detail different approach diy durable eco friendly ecology education engineering environment example explanation handmade house industry innovation japanese architecture joinery lumber mandala roof method natural organic pattern project reciprocal frame scale selfsupporting structure spreading force sustainable living texture three beams timber wooden framework woodwork workshop