兴许是当年在部队搞过航空仪表维修的缘故，我对电子、机械装置情有独钟。有一次，在观看足球赛转播时，立在球场四周的三面翻广告牌引起了我的兴趣，我将球赛录下来，反复观看三面翻广告牌的变化过程。并由此产生联想：既然三角形可以并排形成画面，那么，五角形、八角形... Perhaps the reason was that the aviation instrumentation repaired in the army was engaged in that year, and I had a soft spot for electronics and machinery. Once, watching the football game broadcast, the billboards around the pitch attracted my interest. I recorded the game and watched the process of changing the billboards repeatedly. And the resulting association: Since the triangle can be side by side to form a picture, then the pentagonal, octagonal ...