Optical Drawing Board

I just bought this recently. I was browsing online and I am thinking of what could help me with my drawing. I am not really good in drawing people's faces or making portraits. Like most of us, the not so gifted ones in the art world, I really want to draw a good human figure or even a portrait someday. I can draw cartoon like or any fun photos out there but with the use of a reference photo, image or printed picture.
Then one day, I saw this Optical Drawing Board video here in KZbin. Have your heard of the more expensive drawing board called Etchr? It is similar to that. Etchr sells for around $47 in amazon, and I just got a similar drawing board from shopee online. I bought this drawing board from a seller named ovictory.ph for only Php170 (around $3.38).
I got this description from ovictory.ph shopee page.
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Features:
1.【Principle of Optical Imaging】: The picture is not projected onto paper, through the lens sheet, you can see that the picture is imaged on the drawing paper. Tracing board has two sides, front and back, the projection effect of two sides is different, please use the front.
2.【Support Mobile Phones & Tablets】: There are 2 splicing methods for bracket, simple and quick to assemble, support for most mobile phones and tablets.
3.【EASY TO OPERATE】--Just need to download the APP, import the picture, put the phone on the shelf, and then you can start painting without drawing skills.
4.【Environmentally Friendly】: The lens sheet is made of high quality PC material, good toughness, not easy to break. You do not need to print any pictures, environmental protection and energy saving.
5.【IDEAL TRACING TOOL】--This tracing line drawing painting board is suitable for children, adults, comics/anime lovers, beginning artists, learn to draw at any age.
Description:
Colour: Gray /Transparent
Painting board size: 2 Size Optional
Size:20*13.5cm Or 10*18cm
Notice:
1.Please allow 1-3mm error due to manual measurement.
2.The colors may have different as the difference display,pls understand.
3.Please leaving a message before you give the bad feedback, if the products have some problems.
Packing list:
1Set * Drawing Board Set1.
I tried this the other day and its kinda bit dizzying, because you need to look at the board. The image will not be projected on the paper as most have assumed, and got disappointed when they bought this item. Maybe I will get used to in using this someday.
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❤️Ukelei's World👩‍🎨 #opticaldrawingboard #ukeleisworld #tracing

[@adrianocosta4332]

Maneiro

[@becluke9020]

What's the app that you need too download. I got one of these just the other day, and I am struggling to workout and find what app it is that I need to download for this. If you are able to please help me? Thanks 😊

[@xiaominuhai]

etchr mirror app or any tracing app