515 templates · page 1 of 6
Graphviz (DOT) templates
Industry-standard graph language. Excellent for DAGs, dependency graphs, finite automata, phylogenetic-style trees.
Decision Tree
Decision tree rendered via Graphviz DOT for clean splits.
Flow & ProcessKnowledge Graph — Marie Curie
Subject–predicate–object knowledge graph.
Data & SchemaOntology (OWL-style)
Hierarchical ontology with subclass and property relations.
Data & SchemaNetwork Topology
Cluster-based network diagram with subnets and routers.
ArchitectureCausal DAG
Directed acyclic graph for causal inference (à la DAGitty).
Research & AcademicConcept Map
Nodes (concepts) and labelled edges (relations).
Research & AcademicCausal Loop / Systems Dynamics
Reinforcing (R) and balancing (B) feedback loops.
Research & AcademicUndirected Graph
Simple math graph G=(V,E).
MathematicsFinite Automaton
DFA recognising binary strings divisible by 3.
MathematicsPhylogenetic Tree
Cladogram with internal nodes and tip labels.
Life SciencesBiochemical Pathway
Reaction network with enzymes and metabolites.
Life SciencesGene Regulatory Network — Feedback Motif
Activator / repressor regulatory edges.
Life SciencesReaction Network
Multi-step reaction network with rate constants.
Chemistry & Physics3-Tier Network
Internet → firewall → LB → app tier → DB tier.
ArchitectureCampus Network
Multi-floor campus with switches, routers, AP and edge.
ArchitectureAWS Architecture
VPC with public + private subnets, ALB, EC2, RDS, S3, Lambda.
ArchitectureKubernetes Topology
Control plane, nodes, ingress, services, pods.
ArchitectureGraphviz — Force-directed (neato)
neato layout — spring model, good for undirected graphs.
MathematicsGraphviz — Circular (circo)
circo layout — circular embedding, good for state machines or ring topologies.
MathematicsGraphviz — Radial Tree (twopi)
twopi layout — radial / concentric layers around a root.
MathematicsGraphviz — Markov Chain
Discrete-time Markov chain with labelled transition probabilities.
MathematicsGraphviz — Petri Net
Workflow Petri net with places (circles) and transitions (bars).
Flow & ProcessGraphviz — Bayesian Network
Directed acyclic graph encoding conditional dependencies (Bayes net / belief net).
MathematicsMicroservices Topology
Service-to-service call graph with synchronous and async edges.
ArchitectureCode Dependency Graph
Module dependency layout — useful for understanding a codebase.
ArchitectureTCP State Machine
Classic TCP connection state diagram.
UML & SoftwareService Mesh — Sidecar Proxies
Microservices with sidecar proxies, control plane and observability.
ArchitectureAttack Tree — Exfiltrate Customer Data
AND/OR attack tree for a data-exfiltration goal.
ArchitectureMAPK Signaling Cascade
RTK → Ras → Raf → MEK → ERK with downstream targets.
Life SciencesOKR Cascade
Company → team → individual objective alignment.
Project & PlanningCommutative Diagram
A standard commutative square showing morphism composition.
MathematicsHasse Diagram — Divisor Lattice
Divisors of 12 as a lattice ordered by divisibility.
MathematicsRetrosynthesis Tree
Retrosynthetic disconnections from a target molecule to commercial precursors.
Chemistry & PhysicsStatefulSet — Database Cluster
Headless service + StatefulSet with ordered pods and persistent volumes.
ArchitectureAWS VPC Layout
Public + private subnets, NAT, IGW, RDS in two AZs.
ArchitectureBGP Peering
Inter-AS BGP with eBGP and iBGP sessions inside an AS.
Architecture5-Whys Root Cause
Iterative 5-whys analysis for an outage.
Flow & ProcessSaaS Metrics Tree
How ARR decomposes into CAC, LTV, churn, expansion.
Data & SchemaDCF Valuation Tree
Free cash flow → discounted cash flow → enterprise value structure.
Data & SchemaConcept Map — Photosynthesis
Linked-concept map for teaching photosynthesis.
Research & AcademicDatabase Sharding
Application-tier sharding by tenant_id across 4 shards.
ArchitectureGlycolysis Pathway
Glucose → pyruvate via the 10-step glycolytic pathway with ATP yield.
Life SciencesTCA / Krebs Cycle
Citric acid cycle — acetyl-CoA condensed into citrate, regenerating oxaloacetate.
Life SciencesLac Operon Regulation
lac operon with repressor, CAP and operator/promoter logic.
Life SciencesApoptosis — Intrinsic + Extrinsic
Two apoptotic pathways converging on executioner caspases.
Life SciencesEukaryotic Cell Cycle
G1 → S → G2 → M with cyclin/CDK checkpoints.
Life SciencesGene Regulatory Network — Signal Cascade with Repressor
Toy network with activators, repressors, and feedback loops.
Life SciencesRetrosynthesis — Aspirin
Aspirin disconnected back to salicylic acid + acetic anhydride.
Chemistry & PhysicsEnzyme Catalysis Cycle
E + S → ES → ES* → EP → E + P, the canonical enzyme cycle.
Chemistry & PhysicsDesign Token Tree
Hierarchical design tokens — colour / spacing / type / motion.
Data & SchemaFPGA Dataflow
Pipelined dataflow on an FPGA — input → DSP blocks → output.
ArchitectureAI Behavior Tree — Enemy
Selector + sequence behaviour tree for a patrolling enemy.
UML & SoftwareQuest Dependency Graph
RPG quest dependencies — mainline + side branches.
UML & SoftwareWatershed / River Network
Tributaries draining into a main stem and out to the ocean.
Geo & SpatialMixed-Effects Model Structure
Random intercepts and slopes for subjects nested in clinics.
Research & AcademicAWS EventBridge Hub-Spoke
Central event bus routing domain events to multiple consumers.
ArchitecturePath Analysis (SEM)
Structural equation model with mediator and standardised paths.
Research & AcademicLinguistic Parse Tree
CFG parse tree for an English sentence.
MathematicsGame Theory — Decision Tree
Two-player extensive-form game with payoffs at terminal nodes.
MathematicsCardiac Cycle
Phases of one heartbeat with pressures and valve states.
Life SciencesImmune Response — Innate + Adaptive
Pathogen encounter triggers innate first, then adaptive humoral + cellular arms.
Life SciencesCarbon Cycle
Major reservoirs and fluxes of carbon across the biosphere.
Life SciencesNitrogen Cycle
Fixation → assimilation → ammonification → nitrification → denitrification.
Life SciencesBill of Materials Tree
Indented BOM for a finished product with sub-assemblies and raw parts.
Data & SchemaSupply Chain Network
Tiered suppliers → factory → distribution centres → retailers.
ArchitecturePublic Policy Lifecycle
Agenda-setting → formulation → adoption → implementation → evaluation.
Research & AcademicSingle-Elimination Bracket
Eight-team single-elimination tournament bracket.
Project & PlanningPDCA — Deming Cycle
Plan-Do-Check-Act continuous-improvement cycle.
Flow & ProcessSmart Home Topology
Zigbee + Wi-Fi + Matter devices behind a local hub with cloud companion.
ArchitectureDefense in Depth
Concentric security layers from perimeter to data.
ArchitectureU-Net Architecture
Symmetric encoder / decoder with skip connections.
ArchitectureMerkle Tree
Binary Merkle tree over four blocks of data with root proof.
Data & SchemaBell State Preparation Circuit
Quantum circuit producing the maximally-entangled |Φ⁺⟩ state.
Mathematics6-DOF Robot Arm Kinematics
Joint-link kinematic chain of a 6-DOF manipulator.
UML & SoftwareKalman Filter Cycle
Predict / update cycle for state estimation.
ArchitectureConstruction WBS
Work breakdown for a small commercial build project.
Project & PlanningPressurised Water Reactor
PWR primary / secondary loops with steam generator and turbine-generator.
ArchitectureEngineering Career Ladder
Individual contributor and management tracks with role bands.
Project & PlanningDependency Parse
Universal-Dependency parse of an English sentence.
MathematicsPipe Network — Branching
Reservoir feeding a branched supply network with valves and demand nodes.
ArchitectureCompound Gear Train
Compound gear reduction from motor shaft to output, with ratios.
ArchitectureSIR Compartmental Model
Susceptible → Infectious → Recovered flow with rates.
Research & AcademicSEIR Model with Vaccination
Adds Exposed compartment and vaccination flow to the basic SIR.
Research & AcademicKinship Diagram
Three-generation kinship tree with standard anthropology symbols.
UML & SoftwareAWS Multi-Account Landing Zone
AWS Organizations structure with management, security, log archive, workload accounts.
ArchitectureAzure Landing Zone
Cloud Adoption Framework landing zone with management groups + subscriptions.
ArchitectureGCP Secure Landing Zone
Organization → folders → projects with shared VPC + perimeter.
ArchitecturePCI-DSS Cardholder Data Scope
Cardholder data environment (CDE), segmentation, and out-of-scope systems.
ArchitectureInstrumental Variable DAG
Classic IV causal diagram — Z affects X, X affects Y, with unobserved confounder U.
Research & AcademicCommon Chord Progressions
Roman-numeral chord progressions and which keys they fit.
MathematicsCategory Theory — Pullback Square
Pullback diagram with universal property dashed arrow.
MathematicsMonorepo Dependency Graph
Package dependencies in a typical TypeScript monorepo.
ArchitecturePetri Net — Producer-Consumer
Classical Petri net with places, transitions and tokens.
UML & SoftwareFeed-Forward Neural Net
Fully-connected layers — input / hidden / output with weights.
ArchitectureCNN Architecture
Convolutional layers, pooling and dense head.
ArchitectureAbstract Syntax Tree
AST for the expression `if (x > 0) y = x + 1; else y = 0;`
MathematicsPetri Net — Mutex
Two processes competing for a shared resource via mutex token.
UML & SoftwareHub-and-Spoke vs Point-to-Point
Comparison of hub-and-spoke (left) and point-to-point (right) network topology.
ArchitectureThermohaline Circulation
Major ocean currents in a stylised global conveyor belt.
Geo & SpatialNATO Command Structure
Strategic / operational / component-command hierarchy.
Architecture