https://biqu.equipment/collections/lcd/products/bigtreetech-pi-tft43-v2-0-screen-board?variant=39337700851810

This case is for the BIGTREETECH PI TFT70 V2.1 Touch Screen For Raspberry Pi

https://www.amazon.com/BIGTREETECH-Raspberry-Controller-Capacitive-105-5X67mm/dp/B09794LDY2/ref=pd_ci_mcx_pspc_dp_2_t_1

These 2 usb cables will be needed to fit in the case they run from the Pi to the outside, if you are using a usb webcam just add a usb hub. 

https://www.amazon.com/gp/product/B07QYRB1YW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

https://www.amazon.com/gp/product/B083TGBMR4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

To rotate the BTT PITFT70 and likely other PITFTs add the correct one to your config.txt, for portrait with this case you need 270 degrees. 

# For 0 degree rotation:

# (no additional entries - default setting)

# For 90 degree rotation (top to right):

#display_lcd_rotate=1

#dtoverlay=rpi-ft5406,touchscreen-swapped-x-y=1,touchscreen-inverted-x=1

# For 180 degree rotation (upside down)

#display_lcd_rotate=2

#dtoverlay=rpi-ft5406,touchscreen-inverted-x=1,touchscreen-inverted-y=1

# For 270 degree rotation (top to left)

#display_lcd_rotate=3

#dtoverlay=rpi-ft5406,touchscreen-swapped-x-y=1,touchscreen-inverted-y=1