We have made a video to show you how to design your own wallpaper with big triangles in various colours. We use Inkscape for this, an open source programme.

You can download Inkscape here: https://inkscape.org/it/download/

Open the program and go to the 'File' menu and then to the bottom 'Document Properties'.

Change 'Orientation' to 'Landscape' if the base of the wall where you want to apply the wallpaper is wider than the height.

In the 'Custom Size' panel, check 'Units' in mm or cm and write the width of the wall in the Width box and in 'Height' the height of your wall (remember to add 10 cm to each).

Also check 'Border on top of drawing' so you always see where the wallpaper you are making ends.

Close the window and you will see that the initial small square has become very large. With the '-' key (minus or dash) you can zoom out and with the '+' key you can zoom in.

Now we have a working area of the measures you need and you can start with the first triangle.

Click on the left on the 'square' icon and click on the image by dragging the mouse to make a rectangle which will later become the triangle. In the menu go to 'Path' and select 'Object to Path'. Then change the instrument to the second one from above (or click on F2). Now every corner of the rectangle has a small square. Delete one of these angles (the one on the top left), selecting it and then deleting it. There is a curve between the two corners left. Select one of the two small circles you see and return the circle following the line from where it comes out, exactly to the small square. Do the same thing with the other circle and now the line is straight. Select the square at the top and drag it to create a triangle, or whatever you want.

In the video we also drag another point, to show that now, having 3 points, you can make any triangle you want.

You can change the colour of the triangle using the colours at the bottom, or by inserting the colour you want in RGBA code in the 'Fill and Stroke' frame (found in the 'Object' menu and then 'Fill & Stroke'). To avoid problems it is better not to have 'stroke' (the contour line) so select the 'Stroke' tab and click on the small cross. Then select the 'Fill' tab and write the colour code in the RGBA field. The code must be a valid code and searching the internet for RGBA colours you can easily find sites where you can combine the colour you want (for example on https://www.hexcolortool.com). Always keep in mind that the colour of the screen is never exactly the same colour as the print (Read also: Colours when printing wallpaper).

Then instead of making each triangle in this way, you can change the function from 'arrow with three points' to 'arrow' (so from the second icon to the first icon from the top). The triangle you just made, now has small arrows around, which means that it has been selected. If the triangle does not have these arrows around, click on it and you'll see that they appear.

To duplicate the triangle, click the 'control' key together with the 'd' key. Drag the triangle to the position where you want to have it. You can also turn it, as you can see in the video. To turn it by hand you have to click once again on the triangle already selected. See that the small arrows change direction and you can drag an arrow to turn the triangle.

If you did something you do not like and want to go back, click the 'control' and 'z' keys together (or go to the 'Edit' menu and then 'Undo').

You can make other triangles and place them where you want, change which triangle is above and which is below and play with the possibilities until you have a composition that you like.

At this point we have a wallpaper with a white background and the coloured triangles and the measures you want.

To create the background in another colour, we must add a layer 'Layer', by clicking in the menu on 'Layer' and selecting the item below 'Layers ...'. In the square that appears, click on + and add the layer under the existing one ('Position: Below current').

Select again the tool 'square' with which we created the first rectangle that then became a triangle and make a rectangle that covers the entire working area and a little out (the pdf will only save the inside of the working area).

Even here you change the colour as you want.

Now you can save as PDF, going to the 'File' menu and then 'Print'. In the panel that opens, select 'Print to File'. Give a name in 'Name:' and the place to save the pdf in 'Save in folder'.

You have designed your wallpaper with large triangles. Very simple and also totally free.

Now we would be really happy if you would order this wallpaper from us. We do advise you to do a test first to verify that the color is what you have in mind.

We print on an HP Latex, which is odourless and certified for each environment (also suitable for nurseries and hospitals). We have calibrated the printer to perfection to ensure it prints the right colours.