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Welcome to DIYUSA. You will find links and info to various DIY projects, such as building coroplast and foam boats, making musical instruments, paper arts and more..... Thanks for your visit!

Gen 23+ - Enhanced design from Gen 23

Box/storage size: 4' x 6" x 15"

You can download the free boat plan at the boat plan page

Gen 23 Ultra Portable 9.5' folding kayak - 2023 design

Box/storage size : 4' x 4.5" x 14.25"

You can download the kayak plan at the boat plan page

May 2022 10' 25 lbs folding pontoon boat

This is the world's 1st foldable pontoon boat employing a living hinge design. Super light weight (25 lbs) for a 10' foldable/modular foam boat. It can be easily packed inside my Prius C.

Sept. 2021, Foldable Tandem Fishing Canoe (Gen 19)

This is an easy to build canoe for two. It is super stable and the folded form factor is very similar to ORU Inlet and is 3 lbs lighter (Solo Configuration). I have the DIY tutorial videos on my Youtube Channel: DIY USA - YouTube

August 2021, Modular & Foldable Fishing Kayak with Pedal Drive (Gen 18)

This video series demonstrated a simple DIY foldable foam core boat that has a pedal drive. Please get the latest info from my Youtube Channel: DIY USA - YouTube

June 2021, Modular Paddle Board / Pontoon Boat for Crabbing / Fishing (Gen 17)

I am creating a series in demonstrating a simple DIY pontoon boat that can handle chopping sea at the Pacific Coast. Please get the latest info from my Youtube Channel: DIY USA - YouTube

May 2021, 14.5' Foldable Tandem Canoe (Gen 16)

I am creating a series in building the Gen 15 (Solo) and Gen 16 (Tandem) Canoe. Please get the latest info from my Youtube Channel: DIY USA - YouTube

Link to the play list of Gen 16

Spring/April 2021 design: A 9.5' Foldable Solo Canoe (Gen 15)

I have further improved the base design, which is similar to Gen 12 and 14. The assembly is simpler and faster (less than two minutes). It cost less than US $100. Because the water is still very cold, I have not water tested this canoe yet. Will share more details after testing in May 2021.

Make Magazine 12' DIY foldable kayak (Gen 14)

Gen 14 is designed for Makezine project. Please click here for the Step-by-step DIY guide.

The Youtube DIY video playlist for this Kayak is here. Hope these this will help you to build your kayak using materials readily available at your local hardware stores.

My 2020 10' foldable kayak (Gen 12)

This is an easy kayak to build. It can be easily modified and be built with 4' x 8' coroplast. Link to video series in building this boat.

World's lightest 9'8" coroplast rigid hull kayak (13 Lbs) Gen 10

I used my new heat fusion technique in building this kayak to achieve the super strong structural strength and minimal overall weight. It cost < $100 and took 10 hours to build.

Video series in building this kayak.