Tip: Build a small refueling outpost with a Glimmerdust farm near each gate.
Traditional mini CNCs require wrenches and frustrating calibration when changing bits. The Mini Link Craft 21 utilizes magnetic "Link" collars. These collars remember the zero position of each tool. When you swap from a 0.25mm engraving bit to a 3mm end mill, the machine automatically compensates for the height difference. This feature alone saves roughly 10-15 minutes per tool change.
Result: Infinite food without manual watering.
The MLC-21 hardware footprint measures 40mm x 25mm, making it deployable on drones, wearables, or environmental sensors. The core processing unit is an ARM Cortex-M4 microcontroller, chosen for its balance of processing power and sleep-mode efficiency. mini link craft 21
Players praise Mini Link Craft 21 for its:
Criticisms focus on wanting more than 21 items and occasional link ambiguity when three stations are equidistant. However, the modding scene has created “Link+21” add-ons that expand limits while keeping the core compact philosophy.
When you unbox the unit, you will find the main chassis (weighing just 8.2 lbs), the power supply, a starter bit set (10 pieces), and the Link magnetic collet set. Tip: Build a small refueling outpost with a
Step 1: Leveling the Bed The number one mistake new users make is skipping the auto-leveling feature. The Craft 21 has a "Probe Wizard." Attach the alligator clip to your bit and the copper pad on the bed. The machine will tap 12 points to map the surface. Do not skip this; it takes 90 seconds and prevents bit breakage.
Step 2: Software Compatibility Most users pair the Craft 21 with Candle or LightBurn (for laser use), but it ships with a free license for EasyCraft 2.0. This software allows you to import SVG or DXF files and generate toolpaths in under a minute. It supports GRBL 1.1, meaning you are not locked into proprietary software.
Step 3: Material Testing Before running your final piece, use the "Material Library" on the touchscreen. Select "Pine - 1/8 inch" or "Acrylic - 3mm." The machine will automatically set the feed rate and plunge depth. For custom materials, the manual mode allows speed adjustments between 100 and 1500 mm/min. Criticisms focus on wanting more than 21 items
Mini Link Craft 21 originally launched as a browser-based prototype (HTML5 + WebGL), then received standalone versions for:
A free “Demo 21” gives players the first 21 in-game days or 21 link placements, after which the full version unlocks unlimited creative sandbox mode and a challenge map generator.
The hybrid use of LoRa for transport and BLE for handshaking proved effective. The MLC-21 achieved a Packet Delivery Ratio (PDR) of 98.4% in Line of Sight (LoS) conditions and 91.2% in Non-Line of Sight (NLoS) conditions.