How to Make a Solar Dehydrator With a Box

A solar dehydrator made from a single cardboard box.

How to Make a Solar Dehydrator With a Box by Open-Source-Imports
https://thediyjunky.com/@open-source-imports/cardboard-box-solar-dehydrator
Licence: CC-BY-SA-4.0

Adapted from: https://www.appropedia.org/Cómo_hacer_un_deshidratador_solar_con_una_caja
Original author: Philip Schenone (User:Sophivorus)
Original licence: CC-BY-SA-4.0

Contributors: Emilio


Solar dehydrator finished.

Specifications

Spec Value
Example box size 50 cm x 40 cm x 40 cm

Summary

How to make a solar dehydrator from a single cardboard box (and a few other materials).

This build is translated from the Spanish original on Appropedia. The source page is a photo gallery with a short caption per step; the steps below follow it exactly.

Parts

Part Size / spec Qty Unit cost
Large box In this example 50 cm x 40 cm x 40 cm 1 box —
Roll of aluminium foil 10 metres should be more than enough 1 roll —
Acetate sheet At least the size of the largest face of the box (here 50 cm x 40 cm) 1 sheet —
Piece of mesh, mosquito netting or similar At least the size of the longest side of the box 1 piece —
Wooden slats To build the base 1 set —

Required total: ≥ $0.00
5 part(s) have no price recorded, so the total is a floor.

Tools

Build steps

1. Open the box

Open the box

Open the box

Open the box

2. Cut the box as the diagram shows and glue A to A

Cut the box as the diagram shows and glue A to A.

Cut the box as the diagram shows and glue A to A.

Cut the box as the diagram shows and glue A to A.

3. Glue aluminium foil over what will be the base

Glue aluminium foil over what will be the base.

Glue aluminium foil over what will be the base.

Glue aluminium foil over what will be the base.

4. Fold where the diagram indicates

Fold where the diagram indicates.

Fold where the diagram indicates.

Fold where the diagram indicates.

5. Glue to form the base

Glue to form the base.

Glue to form the base.

Glue to form the base.

6. Make holes in the bottom of the base with a pencil

Make holes in the bottom of the base with a pencil.

Make holes in the bottom of the base with a pencil.

Make holes in the bottom of the base with a pencil.

7. Cut a hole in what will be the lid

Cut a hole in what will be the lid.

Cut a hole in what will be the lid.

Cut a hole in what will be the lid.

8. Fold where the diagram indicates. The folds should be 1 cm outside the natural folds of the box, so that the base fits into the lid

Fold where the diagram indicates. The folds should be 1 cm outside the natural folds of the box, so that the base fits into the lid.

Fold where the diagram indicates. The folds should be 1 cm outside the natural folds of the box, so that the base fits into the lid.

Fold where the diagram indicates. The folds should be 1 cm outside the natural folds of the box, so that the base fits into the lid.

9. Glue to form the lid

Glue to form the lid.

Glue to form the lid.

Glue to form the lid.

10. Make holes with a pencil along one of the long sides of the lid

Make holes with a pencil along one of the long sides of the lid.

Make holes with a pencil along one of the long sides of the lid.

Make holes with a pencil along one of the long sides of the lid.

11. Cut a piece of mesh the size of the base or lid

Cut a piece of mesh the size of the base or lid.

Cut a piece of mesh the size of the base or lid.

Cut a piece of mesh the size of the base or lid.

12. Build a wooden frame the size of the mesh

Build a wooden frame the size of the mesh.

Build a wooden frame the size of the mesh.

Build a wooden frame the size of the mesh.

13. Glue the mesh onto the frame

Glue the mesh onto the frame.

Glue the mesh onto the frame.

Glue the mesh onto the frame.

14. Place the frame inside the base and put whatever is to be dehydrated on top

Place the frame inside the base and put whatever is to be dehydrated on top.

Place the frame inside the base and put whatever is to be dehydrated on top.

Place the frame inside the base and put whatever is to be dehydrated on top.

15. Cover and expose to the sun at an angle

Cover and expose to the sun at an angle.

Cover and expose to the sun at an angle.

Cover and expose to the sun at an angle.

16. If too much water condenses, tilt it more, or enlarge the holes, or add holes to the lid

If too much water condenses, tilt it more, or enlarge the holes, or add holes to the lid.

If too much water condenses, tilt it more, or enlarge the holes, or add holes to the lid.

If too much water condenses, tilt it more, or enlarge the holes, or add holes to the lid.