"Zweitafelbild" in English

Question

1) How can "Zweitafelbild" and "Zweitafelprojektion" be translated into English?

Here is the Wikipedia page (in German): https://de.wikipedia.org/wiki/Zweitafelprojektion

2) In the Wikipedia article it is written that that "Zweitafelprojektion" is one of the fundamental methods of descriptive geometry, yet such a fundamental concept has no other language options. This seems to be a trend in German Wikipedia regarding many mathematical concepts. Why is that so? Are some German mathematical concepts fundamentally different from their English counterparts? Is there an attempt to keep a more German version of mathematical language which at times is not truly compatible with English?

Answer 1

Looking up the translation of each component of this obviously compound word:

Zwei = two

Tafel = blackboard (plane)

Bild = image

Thus "an image on multiple planes", which the comments identify as a multiview or Monge projection.

Answer 2

In a German presentation from the University of Duisburg-Essen I have found two-view projection as the translation of Zweitafelprojektion.