Full sized, very detailed plans of a the Dreadnought 12-String Guitar based on classic Martin D12-28 herringbone made so popular in the 1930s and 40s. Unless
otherwise specified, ALL plans are sold as electronic downloads. As
soon as you complete your plan purchase with us, you will automatically
be given a download link to access your plans. Learn why we sell our
plans in an electronic version.
These plans are very detailed and are filled with details, photographs, descriptions, notations and dimensions to get you rolling on your guitar building!
Add this guitar to your collection of handmade instruments with these easy to follow, well documented plans.
We have now included all the template sets with the Master Guitar Plan file.
Includes 5 sheets of full sized drawings with:
- Overall guitar plan with notes and dimensions
- Details of Complicated Construction Areas
- Supplemental Photographs of Key Construction Items + Descriptions
- Longitudinal and Lateral Sections Through The Guitar.
- Top Bracing Layouts Top and Side Views
- Back layout and Back Brace layouts
- Complete Template Sets Including: Top, Side Contour, Neck Contour, Bender Form Insert, Headpiece Layout, Back Arch Template & Top Layout Template
All Plans Are in Both Millimeters AND Inches/Fractional Inches:
All Guitar Building Plans are available in both millimeter measurements and inches/fractional inches. Both are clearly shown in an over/under the dimension line style, so you can pick which measurement system you would like to use, or use both!
- Upper Bout: 293mm (11 17/32")
- Lower Bout: 396mm (15 19/32")
- Body Length: 513mm (20 7/32")
- Depth At Heel: 95.3mm (3 3/4")
- Depth At Butt: 120.7mm (4 3/4")
- Scale Length: 645.2mm (25 13/32")
Don't Forget Your Form Package Plans Below:
The Inside Forms and Workboard Plans
allow you to simply and easily transfer the exact shape of your guitar
to your work piece, plus you will have an incredible tool to allow perfect
repeatability of your guitars!
Just click on the appropriate check-boxes below to select the proper file and it will be automatically added to your order.
your guitar plans printed and delivered to your door? We offer this
service to customers who don't have access to printing services, or just
don't want to mess around with it. Check it out at our Digital Printing and Delivery Services.
Just put your plans in the shopping cart and add what plans you want
printed, or come back later, and we will do it that way for you too.Would you like your plans printed and shipped overseas?
Please view our overseas plan printing page to learn how affordable our printing and overseas shipping can be!
Are you looking for something else?
If the Dreadnought 12-String guitar plans aren't exactly what you're looking for, be sure to take a look at the other guitar plans we have for sale - with more than 20 different guitar plans, you're sure to find the perfect guitar for you!
We also offer a wide range of guitar building tools and other assorted guitar building aids all the time, so check back often.
Looking for help in your instrument construction? Consider our brand new Guitar and Ukulele Construction Handbook, packed with information to help you with many of the tasks we all struggle with! Go to the link to see more about this very informative book.
Acoustic CNC Files - Entire Guitar:
We are now offering the Dreadnought 12-String Acoustic Guitar in DWG and DXF file formats. For more information about this option, click HERE. Simply click the checkbox below and the files will be included immediately with your download. (Note that this download does include the Form Insert noted below as well. Note that this file will include the Form Insert CNC as well and you will not need to order both files.
Note: The last image in the mouse-over images at the top of this page will give you an accurate representation of the file content for these files.
Acoustic CNC Files - Form Insert Only:
Form Insert for this guitar in DWG and DXF file formats. These drawings will allow you to rout out this shape and use it directly in your bending system. The files clearly indicate the guitar shape, the spreader rod pockets, the Guide Bar Slot and the Connector Bolt Holes. Just click the checkbox below and the files will be included immediately with your download. Note that this file contains only the files for the Form Insert for the Heated Side Bender. Click on the link above for clarifications on this.