How to Make Blueprint Paper (2024)

Blueprint paper is a specially-coated paper that turns blue where it is exposed to light, while areas kept in the dark remain white. Blueprints were one of the first ways to make copies of plans or drawings. Here's how to make blueprint paper yourself.

Blueprint Paper Materials

  • 15 mL of 10% potassium hexacyanoferrate(III) (potassium ferricyanide)
  • 15 mL of 10% iron(III) ammonium citrate solution
  • Petri dish
  • Whitepaper
  • Tongs or small paintbrush
  • Small opaque object (e.g., coin, leaf, key)

Make Blueprint Paper

  1. In a very dim room or in the dark: pour the potassium ferricyanide and iron(III) ammonium citrate solutions together into a petri dish. Stir the solution to mix it.
  2. Use tongs to drag a sheet of paper across the top of the mixture or else paint the solution onto the paper using a paintbrush.
  3. Allow the sheet of blueprint paper to dry, coated side up, in the dark. To keep the paper from being exposed to light and to keep it flat as it dries, it may help to set the wet sheet of paper on a larger piece of cardboard and cover it with another piece of cardboard.
  4. When you are ready to capture the image, uncover the top of the paper and overlay an ink drawing on clear plastic or tracing paper or else simply set an opaque object on the blueprint paper, such as a coin or key.
  5. Now expose the blueprint paper to direct sunlight. Remember: for this to work the paper must have remained in the dark until this point! If it's windy you may need to weigh down the paper to keep the object in place.
  6. Allow the paper to develop in the sunlight for about 20 minutes, then cover the paper and return to the darkened room.
  7. Thoroughly rinse the blueprint paper under cold running water. It's fine to have the lights on. If you do not rinse away any unreacted chemicals, the paper will darken over time and ruin the image. However, if all the excess chemicals are rinsed away, you'll be left with a permanent colorfast image of your object or design.
  8. Allow the paper to dry.

Cleanup and Safety

The materials for making a blueprint (cyanotype) paper are safe to work with, but it's a good idea to wear gloves since you'll be working in the dark and might otherwise cyanotype your hands (turn them temporarily blue). Also, don't drink the chemicals. They are not particularly toxic, but they are not food. Wash your hands when you are done with this project.

How to Make Blueprint Paper (2024)

FAQs

How to Make Blueprint Paper? ›

In a very dim room or in the dark: pour the potassium ferricyanide and iron(III) ammonium citrate solutions together into a petri dish. Stir the solution to mix it. Use tongs to drag a sheet of paper across the top of the mixture or else paint the solution onto the paper using a paintbrush.

What is blueprint paper made of? ›

Blueprints use the cyanotype process invented by the astronomer John Herschel in 1842. The paper is coated with a solution of two soluble iron(III) salts. The two iron salts do not react with each other in the dark, but when they are exposed to ultraviolet light the iron(III) ammonium citrate becomes an iron(II) salt.

What kind of paper is used to create blueprints? ›

Vellum is what many know as traditional blueprint paper, and it is commonly used for architectural and engineering plans for black-and-white blueprints. It is also possible to print blueprints on Mylar paper, which is transparent or frosted, by using a laser process.

How can I make my own blueprints? ›

While you may still need the help of a professional architect to successfully draft blueprints for a complicated building project, you can make your own blueprints to design a simple project. You can use tracing paper and an architect's ruler to draw them by hand yourself or use a computer program to make your design.

How can I make blueprint paper? ›

In a very dim room or in the dark: pour the potassium ferricyanide and iron(III) ammonium citrate solutions together into a petri dish. Stir the solution to mix it. Use tongs to drag a sheet of paper across the top of the mixture or else paint the solution onto the paper using a paintbrush.

What printer is used to make blueprints? ›

Canon imagePROGRAF TC-20 24" Large Format Poster & Plotter Printer - Automatic Roll & Cut Sheet Paper Feeder, Ships with 280ml of Ink - USB, Wi-Fi, LAN,White. This product has sustainability features recognized by trusted certifications.

Why is blueprint paper blue? ›

In this process, initially created just to transfer notes, two papers are exposed to a bright light, and the applied chemicals create a permanent blue compound, called blue ferric ferrocyanide, except for where the paper is covered or has lines drawn. As a result, a solid-blue document with white lines is created.

What weight paper for blueprints? ›

20 lb plotter paper is common for blueprints and drawings, but anything that is getting frequently handled should be on heavier paper, such as 24 lb or even 36 lb plotter paper. It's also important to pay attention to the core diameter, as the type of printer that you have will have certain size requirements.

What is the best paper to print plans on? ›

Choosing the right paper for blueprints is essential for ensuring durability and clarity. In most cases, bond paper is the go-to choice. 20 lb, 24 lb, and 32 lb bond paper can be used for both black-and-white and color printing. Heavier bond grades create higher quality prints.

Is there an app to make blueprints? ›

With RoomSketcher, it's fast and easy to create a blueprint, even for beginners. Make a house plan in less than 1 hour. No CAD training or technical drafting knowledge is required. You can get started straight away.

How much does it cost to make a copy of a blueprint? ›

Square Footage. In most cases, blueprints cost between $0.50 and $10 per square foot or an average of around $4 per square foot.

How to get blue print? ›

How to Get Blueprints of My House in 8 Ways
  1. Find the Original Owner. ...
  2. Check With Your Neighbors. ...
  3. Contact the Original Builder or Architect. ...
  4. Review Local Archives and Files. ...
  5. Search Online. ...
  6. Hire a Professional to Help You. ...
  7. Commission a Reproduction of the Blueprint. ...
  8. Pay For a New Blueprint.
Nov 27, 2023

What type of paper is used for blueprints? ›

Vellum plotter paper is a popular choice when printing many high-quality blueprints or a final design of something. Vellum paper produces very crisp and high-quality prints.

How to write blue print? ›

How to write a project management blueprint?
  1. Define project objectives. ...
  2. Identify project scope. ...
  3. Define project milestones. ...
  4. Develop a project schedule. ...
  5. Identify risks and issues. ...
  6. Define project budget. ...
  7. Define roles and responsibilities. ...
  8. Develop a communication plan for your blueprint.
Jun 7, 2023

What program is used to make blueprints? ›

Today, computer-aided drawing programs like AutoCAD make blueprint drawing easier and more accurate.

What is drafting paper made of? ›

Vellum is a translucent type of drafting paper that's made from a type of plastericized cotton that isn't affected by changes in temperature or humidity. This replaced traditional vellum, which was made from animal skins. You can find vellum paper in pads, sheets, or rolls of up to 72” in width.

What material is blueprints? ›

Various base materials have been used for blueprints. Paper was a common choice; for more durable prints linen was sometimes used, but with time, the linen prints would shrink slightly. To combat this problem, printing on imitation vellum and, later, polyester film (Mylar) was implemented.

Is blueprint paper see through? ›

Architects and engineers then assumed the technique. The process of blueprints formation starts with drawing on tracing cloth or translucent tracing paper. Both of these materials are practically see-through, making it easy for users to transfer your created drawing to the tracing material.

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