Optiparts Marine Equipment | F + 31-30-2387375 20 Years ago the company Optiparts Marine Equipment was founded. Since that time we have continuously developed our range of products for the Optimist dinghy. For some years now we have been able to claim that we are the leading supplier of Optimist spars, fittings and accessories. We also produce several accessories for Laser®, 420 and other dinghies under the trade name Windesign® Our extensive range of products is exported to more than 80 countries around the world. The names Optiparts® and Windesign® are registered trade marks.