Premium cnc boat kits in aluminum alloy and steel welcome to metal boat kits! we offer premium quality stock boat kits in aluminum alloy and steel. in 1993 we were one of the first companies to offer cnc kits publicly and in doing so we helped establish an industry.. Build a flat bottom jon boat plans . these plans are to build a flat bottom fishing jon boat. fisherman who like to work the shallow backwaters and weed patches on lakes and rivers will find this flat-bottom scow-type boat an ideal craft.. For high-quality, high-value, and rugged-utility, you won’t find a better jon boat for the task than a lowe riveted jon. today, we build the most rugged, hardest working line-up of jons using the best materials available. our jons battle the elements with 5052-h34 aluminum alloy and durable acrylic olive drab paint..