Tomohisa Takamatsu

Former middle school English teacher building AI tools for teachers.

Products

Products I’m currently building and maintaining.

Sheeto
Create printable worksheets by chatting with AI.
Public BetaPre-revenue

Recent activity

I improved my landing page with visible pricing and product demos

I replaced a PDF plugin with a custom Cloud Run + Puppeteer pipeline

This full-time data scientist built a $7k/mo portfolio of side projects

I built an AI worksheet creator after spending years as a teacher

The hidden work behind creating worksheets

I built an AI worksheet creator after spending years as a teacher

I built an AI worksheet creator after spending years as a teacher

Made a free tool so people can see the pricing problem before signing up

Built a free android eye drop reminder app for myself. Hope it helps others too

Hitting $125k MRR as a solo founder by doubling down on the right segment

Failing 6 times before hitting a 7-figure ARR in 10 months with no code

Built a SaaS in 32 minutes. Reached $1million MRR. Rejected a $5b acquisition.