In case folks want to know about Custom Designs from my screenshots, here are the creators! 
There are maker links below, and also design links for one tile custom designs. 

Please Note:

• As this list is primarily to help direct myself and others to the original creators of works, some items are listed with a descriptive title instead of their original item name(s).
  • Example: the clothing item “DnD Rogue Cloak” by Mia can be found under “D&D Clothes” instead since I have downloaded several items from the same maker and have grouped them together.
• I claim no credit for any of these designs, I just wanted to help other folks find them if they asked.
• If the designs aren’t available, that means the maker took them down. I can’t help find or reproduce them in any way.

PATH, SIGN, & HOME DECOR LINKS:

Distressed Brick Overlay in Grey
AC username: Bee
Reddit username: u/quadepresso
*Original Design by u/spookykitty666
Creator ID: MA-8321-3694-3130
Link to view/download: HERE

Zen Garden Sand Overlay
AC username: Aeryl
Reddit username: u/scheckybonesplinters 
Creator ID: MA-9783-9084-3339
Link to view/download: HERE

Tiny Orchard Icons
AC username: broast
Reddit username: u/b_roast
Creator ID: MA-4221-0787-0038
Link to view/download: HERE

Pressed Flower Frames
AC username: Kat
Reddit username: akechigororo
Creator ID: MA-5114-7560-0924
Link to view/download: HERE

Sakura Petals
AC username: Daniella
Creator ID: MA-0625-9690-0272
Link to view/download: HERE

Clovers
AC username: Iltsu
Reddit username: illltsu
Creator ID: MA-4470-1720-0257
Link to view/download: HERE

Garden Checkered Squares, Wood Deck, Stone Tile, Brown Jacket, Cake Hats
AC username: ゆー
Creator ID: MA-9278-7443-5692
Link to view a sample (tile, grass, stairs): HERE

Nook Logo Welcome Mat
AC username: Katie
Reddit username: acnhdesign
Creator ID: MA-0446-4970-4238
​Link to view/download: HERE

Tiling Pattern Collections: Beach House, Retro Suburbia, Festive Blue, etc
AC username: Finley
Reddit username: MistyCove-Isle
Creator ID: MA-4888-9280-5509
Link to view/download: HERE

Snowbelle Dress, Master Artificer Dress, Queen’s Valor White, Camellia’s Kiss, Nat’s Snowy Windows, Glass Door
AC username: Amaranth
Twitter username: @natattacksacnh
Creator ID: MA-0439-9850-1879
Link to view/download: HERE, HERE, HERE, HERE

Festive Fabrics Collection, Students of Fodlan Collection 
AC username: Hilda, Sothis
Instagram username: alex_of_fodlan
Creator ID: MA-3654-3682-9597
Link to view/download: HERE, HERE

Open Patio Doors, Doors with Curtains
AC username: メイ
Twitter username: @aymdph
Creator ID: MA-9344-3424-7918
Link to view/download: HERE, HERE 

3-Tile Distressed Wooden Decking
AC username: Emily
Reddit username: Medorthophobia1
Creator ID: MA-4015-2075-5702

Paper Lantern, Asian Stall Roofing (x2)
AC username: Blue
Creator ID: MA-2949-3814-7135

Dirt Path-Matching Dirt Tileset
AC username: Epsilon
Reddit username: ChaoselementX
Creator ID: MA-9696-6605-2213
Link to view/download: HERE

Sidewalk Path Pieces
AC username: S
Reddit username: TapirIsle
Creator ID: MA-9327-1035-3033
Link to view/download: HERE

Kapp’n’s Pier
AC username: Larra
Reddit username: LarraT
Creator ID: MA-0859-6794-2131
Link to view/download: HERE

Wooden Bridge-Matching Boardwalk
AC username: Thoum
Reddit username: Thoumss
Creator ID: MA-6442-1674-1638
Link to view/download: HERE

Name of Item
AC username: x
Reddit username: x
Creator ID: MA-x
Design Code: MO-x
Link to view/download: x

CLOTHING PRO DESIGN LINKS:

Tsubari Aubergine Summer Kimono
Created by: Furifu Kimono Company
Creator ID: MA-5558-7396-9545
Link to view/download: HERE (note: only available from Aug 1st 2020 – Aug 30th, 2020)

Rosie Beauty, Solina’s Sunflowers
AC username: Solina
Reddit username: u/KbladeAngel
Creator ID: MA-1500-5889-6923
Link to view/download: HERE

Sweet Scarf Dress & Sunflower Dress
AC username: Eilina
Reddit username: u/Anilie
Creator ID: MA-9347-5694-1572
Link to view/download: HERE

Navy Overalls
AC username: Fae
Reddit username: u/lBluelMoon
Creator ID: MA-0732-2998-2395
Design Code: MO-1FCT-YP6R-TXR7
Link to view/download: n/a, use codes

Blouse & Skirt
AC username: Jessica
Reddit username: JumpyJess
Creator ID: MA-6108-4999-9820
Design Code: MO-0R87-FK3R-JRSD
Link to view/download: HERE

Blue & Red Bow Dresses
AC username: Goblin
Reddit username: Ruler-of-goblins
Creator ID: MA-7280-4827-7318
Link to view/download: HERE

Mushroom Cardigan 
AC username: baby
Reddit username: thedgafclub
Creator ID: MA-0233-9950-4959
Design Code: MO-TR49-MTJ4-YBL1
Link to view/download: HERE

Mint Cardigan, Blue Dot Dress
AC username: Kelsey
Reddit username: RubleTuble
Creator ID: MA-4255-7556-8531
Link to view/download: HERE

Blue Peacoat
AC username: Butters
Reddit username: apollo507
Creator ID: MA-8681-9440-3665
Design Code: MO-24TC-V10Y-R6LF
Link to view/download: HERE

D&D Clothes, Celestial Clothes, Misc
AC username: Mia
Creator ID: MA-0190-3505-4239
Link to view/download: HERE
​
Rustic Dresses
AC username: Maxie
Creator ID: MA-1791-9718-8119
Link to view/download: HERE

Holiday Sweaters
AC username: Ellie
Creator ID: MA-6729-3240-7608
Link to view/download: HERE

Pastel Dresses
AC username: Jordi
Reddit username: Personwhoisfriendly
Creator ID: MA-8189-3799-5672
Link to view/download: HERE

Sloppy Overalls
AC username: Mimi
Reddit username: shibadasss
Creator ID: 9029-6781-7354
Link to view/download: HERE

Lemon Sweater
AC username: Jaycee
Reddit username: jaykyungsoo
Creator ID: MA-7886-2639-1682
Link to view/download: HERE

Clothing from the Versailles Collection & misc.
AC username: Aisa
Reddit username: ACNH_SKdesigns
Creator ID: MA-3179-2049-9310
Link to view/download: HERE

Clothing from the Snowy Satin and Evergreen Elegance Collections, Pine Pinafore
AC username: Lexie
Reddit username: Lady_Gwyn_
Creator ID: MA-8015-3761-2478
Link to view/download: HERE and HERE

Green Dress & Plaid Dress
AC username: Anna
Reddit username: AnzNg
Creator ID: MA-7582-4946-1245
Design Code: MO-x
Link to view/download: HERE

Paint Spill Collection, various colorful clothing
AC username: ieuweh
Reddit username: LentilBurguer
Creator ID: MA-5996-4046-3241
Design Code: MO-x
Link to view/download: HERE, HERE, HERE, HERE

Pocket Camp Sailor Pinafore
AC username: Joon
Reddit username: TacoswithTomatoes
Creator ID: MA-8960-4041-3747
Design Code: MO-XN45-CP82-KRL7
Link to view/download: HERE

Blue Rose Collection Coat
AC username: Blue
Reddit username: blehberries
Creator ID: MA-2949-3814-7135
Link to view/download: HERE

Rainy Daze Sweater, Venti Collection, Crispy Breeze Dress, Plaid Baby Doll Slips
AC username: Alicia
Reddit username: FearsFinalLayer
Creator ID: MA-1578-6971-7128
Link to view/download: HERE, HERE, HERE, HERE

Snowfall Hakama, Gingerbread Cardigan, Winter Starlight Collection, Autumn Artist
AC username: Kaylee
Reddit username: nalikaylee
Creator ID: MA-1900-8638-3339
Link to view/download: HERE, HERE, HERE, HERE

Scorpion Queen
AC username: Rei
Reddit username: okayshima_
Creator ID: MA-9266-4012-3450
Link to view/download: HERE
​
Teddy Raincoat
AC username: Natalie
Reddit username: eisify
Creator ID: MA-6630-8698-8982
Design Code: MO-9VC6-R6PQ-5WVF
Link to view/download: HERE

Teddy Bear Ribbons
AC username: OkiDoki
Reddit username: do-re-meemo
Creator ID: MA-4084-7401-2401
Link to view/download: HERE

Xmas Sweater with Wreath
AC username: Bables
Reddit username: howmanylumens
Creator ID: MA-1404-2315-1866
Link to view/download: HERE

Yoshida Kyodai 20th
AC username: Marie
Reddit username: Phalaenopsis83
Creator ID: MA-7260-5875-0481
Design Code: MO-JHKN-JWMJ-0B61
Link to view/download: HERE

Oktoberfest Monarch Butterfly Dirndl, Celestial Toga
AC username: Christine
Reddit username: procraftstination [deleted]
Creator ID: MA-7188-1730-9600
Design Code: MO-PCP8-12CB-F9D7, MO-33NG-VMHC-5VVW
Link to view/download: HERE

8-Piece Winter Collection
AC username: Ris
Reddit username: Fringe_Filmer
Creator ID: MA-2053-3486-4059
Link to view/download: HERE

Christmas Collection, Lunar New Year Collection
AC username: 夏樹
Creator ID: MA-9156-5607-2176
​Link to view/download: HERE, HERE

New Year Rabbit Coat
AC username: 象象
Creator ID: MA-2771-3826-6662
Link to view/download: HERE

Cloudy Nights Dresses
AC username: Alexis
Reddit username: Lady_Gwyn_
Creator ID: MA-1412-1395-9609
Link to view/download: HERE

Name of Item
AC username: x
Reddit username: x
Creator ID: MA-x
Design Code: MO-x
Link to view/download: x
​
SINGLE TILE QR LINKS:

Pier 
AC username: Lexy
Reddit username: novalg
Creator ID: MA-5991-5756-6141
Design Code: MO-31SY-MNMP-8W1T
Link to view/download: HERE

Eviction Notice
AC Username: Wyatt
Reddit username: u/KermitThatFrog
Creator ID: MA-7099-0380-6776
Design Code: MO-M2Y6-NWG9-Y27Q
Link to view/download: HERE

Nook’s Cranny & Able Sisters Stalls
AC username: Nina
Reddit username: Lord_Pasteque_
Creator ID: MA-x4103-4970-4938
Link to view/download: HERE and HERE

Tom Nook Goodwill Sign
AC username: Maggie
Reddit username: Sirenpsalm
Creator ID: MA-9608-3136-1041
Design Code: MO-W0W7-WBD2-X57P
Link to view/download: use code

Item Tray (Natural Wood)
AC username: cheru
Creator ID: MA-6986-1217-1775
Design Code: MO-TRC8-FT96-6C52
Link to view/download: use codes

Star Tile
AC username: Jay
Reddit username: FLscrubjay
Creator ID: MA-5223-8000-9680
Design Code: MO-F9L2-72P3-Y45V
Link to view/download: HERE

See-Through Pool Deck
AC username: ルネ
Reddit username: dianacqin
Creator ID: MA-5623-9876-1242
Link to view/download: HERE

Various Custom Polish Effects 
AC username: Aisa
Reddit username: ACNH_SKdesigns
Creator ID: MA-3179-2049-9310
Design Code: various

Grey Knit
AC username: Lucy
Reddit username: brusheswithdarkness
Creator ID: MA-3979-5097-4563
Design Code: MO-7KYP-RJBL-0NY2
Link to view/download: HERE

Jolly Redd Dir.
AC username: Zeph
Reddit username: ZephtheChef
Creator ID: MA-2501-7176-5593
Design Code: MO-RPXN-Y4D3-F8J4
Link to view/download: HERE

Wainscot Baseboard, Crown Molding, Mirror
AC username: ひとみ
Creator ID: MA-9394-2966-4326

Single Tile Puddle
AC username: Amanda
Reddit username: awlames
Creator ID: MA-6437-8857-2734
Design Code: MO-TNP7-B4MG-D4KP
Link to view/download: HERE

Clovers
AC username: Emily
Reddit username: Medorthophobia1
Creator ID: MA-4015-2075-5702
Design Code: MO-G3XV-YQLP-FKCW
Link to view/download: HERE

Brick Road
AC username: Will
Reddit username: MegaWAH
Creator ID: MA-2285-0811-9731
Link to view/download: HERE

—

Template:
x
AC username: x
Reddit username: x
Creator ID: MA-x
Design Code: MO-x
Link to view/download: x