Teaching materials for solid figure learning

摘要

(57) Abstract Objective Relation with plane surface graphic in solid figure and development view etc reasonMaking easy to understand, it raises the study effect concerning the solid figure. Constitution Cube block at least ardently with one plane surfaceWay it can separate mutually in the debeaker and/or and the cutting plane can joinThe expansion which it constitutes, expands six aspects of this cube block to plane surfaceForm in the figure is formed, the transparent expansion sheet is united substantially, the conjunction waWay the se and cube block are wrapped, the expansion sheet cubeIn the body the time tune it does, expands to the development view. Expansion sheetThe belt which corresponds to the section of cube block was drawn beforehandTo be able use the thing, or cube block ardentlyAdjusting to the ri opening, writing from after and/or turning off the beltIt is possible.