小板櫈的构造:由一块2.5公尺长,1.5寸厚的木板,与一块30×30公分的铁板及一根0.75公尺长的圆钢合成。将圆钢弯成马蹄形状焊在铁板下面,然后用螺丝与木板连接。圆钢弯成的铁码脚长20公分。小板櫈在平地上搁置时,板子面便构成5°左右的倾角,正适于向下打底眼的倾角。木板中央连续挖出几个直径32公厘的小孔,距离为55公分, Small stool structure: from a 2.5-meter-long, 1.5-inch thick wood, with a 30 × 30 cm of iron and a 0.75-meter-long round of steel synthesis. The round steel bent into a horseshoe shape welded under the iron plate, and then use screws and wood connections. Round iron code into the foot length 20 cm. When the small bench is resting on the ground, the board surface is inclined at about 5 °, which is suitable for downward inclination of the eye. Central wood continuous dredging a few holes 32 mm in diameter, a distance of 55 cm,