This website has moved!
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(Aug. 2021)

Became much more easier to view on the smartphone.
English pages are available.
Thank you for your continuous support!

More than 20 models in PDF format with English instructions are avalable.
Check my my recent activities here.
To visitors from overseas

Sorry that English pages are not managed well.
If you are interested in my recent works, please visit Japenese pages.

New book from St. Martin's Griffin(English) Here

any opinion or question
Copyright(c) 2000 Keisuke Saka