We made it steps by steps, we also measured it.
The first thing we need to do is; since we have a long aluminium, we needed to cut it ourselves in order to learn how to cut and measure. We measured the aluminium flat bar with a ruler, the length has to be 45mm and the width has to be 20mm. We drew a line using a scriber (because we have to file after, we needed to put an extra length to it so we cut about 46mm) we put the aluminium in the bench vice and cut it using a hawk saw. After we finished cutting, we filed it, I used sandpaper after filing (this is totally optional) to make the aluminium smoother.
After that, we measured the aluminium using a metric gauge, there were two types of metric gauge a digital and a non-digital, in my opinion, the digital metric gauge is more accurate. After measuring, we have to fille the corners and I sandpapered it again. To make a hole, we needed and spring divider, we had to draw a line across the middle of the length, it had to be 10mm. Then we had to draw another line (8mm) of the width, it will look like a cross. Using a centre punch, we first had to put it in the middle of the cross we made and created a shallow hole with a hammer. We haven't finished the project yet, we will be finishing it next week.
The first thing we need to do is; since we have a long aluminium, we needed to cut it ourselves in order to learn how to cut and measure. We measured the aluminium flat bar with a ruler, the length has to be 45mm and the width has to be 20mm. We drew a line using a scriber (because we have to file after, we needed to put an extra length to it so we cut about 46mm) we put the aluminium in the bench vice and cut it using a hawk saw. After we finished cutting, we filed it, I used sandpaper after filing (this is totally optional) to make the aluminium smoother. 
After that, we measured the aluminium using a metric gauge, there were two types of metric gauge a digital and a non-digital, in my opinion, the digital metric gauge is more accurate. After measuring, we have to fille the corners and I sandpapered it again. To make a hole, we needed and spring divider, we had to draw a line across the middle of the length, it had to be 10mm. Then we had to draw another line (8mm) of the width, it will look like a cross. Using a centre punch, we first had to put it in the middle of the cross we made and created a shallow hole with a hammer. We haven't finished the project yet, we will be finishing it next week.
Equipment
Aluminium
Engineer Square
Ruler
Bench Vice
Soft Jaws (for the bench vice)
Spring Dividers
Engineers Blue
Centre Punch
Hammer
Scriber
Hawk saw
File
Sandpaper
Digital Metric Gauge
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