This is the first time I've heard of this model... I think it's not sold in Japan, so, I don't know the details. I'm surprised there's a planer that can't be attached with a dust collection hose.
Nice simple design. Doable with basic tools also. However, I would include a safety - feature by means of a sliding block of wood above the spinning blades that slides away when a piece of wood is pushing against it when planed. Not that hard to construct... Nice work!
Thank you for your advices. Now, I have planned adding a protector and expanding the table. And, I will pay attention to my sleeves.Thank you for your specific pointings.