I come back to my first answer because the internal wall does not join the top of the dome you first draw the internal wall (one side) the fixing holes, or to lighten or to look pretty you cut it spherical with a grove (spherical) you cut the outer ears and its holes you have a half-dome, you make a...

if you create a first additive object, it is fixed at the origin, if you want to add (or subtract) another one, do it in the same body, you will have an "attachment line or you can modify X Y Z

fais donc cofinance à la mécanique , si t'as contraint tes sketches et vérifier tes Pads t'es du genre a repeser tes kg de sucre et tes litres de lait :?: :lol: (on va encore dire que je persiffle :lol: ) plus géneral , pour coter sur Techdraw , il faut sélectionner l'objet ou les points extrême et ...

j’agrée ton chois

for the spherical surface you make a full hemisphere, then a smaller subtractive
and the internal walls, do them one by one from a sketch attached to the base then Pad to first

Tool- bits en anglais est une appellation générique qui regroupe les outils qui coupent en tournant et pénétrant exemple : forets , fraises 2 tailles , mais aussi tarauds , alésoirs pour frenchies , le mot "outil" me semble suffisent , aucun ne sera beubeu au point de confondre avec un cis...

I agree Schlm , and Refine = True to finish as a one part
more advise : the best is constraint all sketches

Why do the letters une to one , but you can add booleen them aat the right place
please give us an exemple , because we suppute

the font size is its total height, so a font of 10 you shift it by -5mm (minus 5)

this font is called "Army" there are several, maybe depending on the country (USA, FRENCH .....), standard in Windows fonts, but also on the Net

yes , they are "Stencil too