Later, he adopted the techniques of collage and rotary press, and such materials as paperboard to achieve a colorful and varied visual effect. Each of his paintings has its own unique features.
後來情況漸慚改進，他自己也熟中生巧，把多年教學的經驗，運用到繪製插畫上，採取剪貼、紙版和滾筒技巧，使他後期的插畫產生更繁複明朗的視覺效果，同時也增加了童稚的夢幻氣氛。